Feature: optionally display line numbers in code blocks

.devcontainer/Dockerfile

@@ -0,0 +1,18 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/python-3/.devcontainer/base.Dockerfile
+
+# [Choice] Python version (use -bullseye variants on local arm64/Apple Silicon): 3, 3.10, 3.9, 3.8, 3.7, 3.6, 3-bullseye, 3.10-bullseye, 3.9-bullseye, 3.8-bullseye, 3.7-bullseye, 3.6-bullseye, 3-buster, 3.10-buster, 3.9-buster, 3.8-buster, 3.7-buster, 3.6-buster
+ARG VARIANT="3.10-bullseye"
+FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
+
+# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="none"
+RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
+
+ENV PATH="/home/vscode/.local/bin:${PATH}"
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

@@ -0,0 +1,41 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/python-3
+{
+	"name": "Python 3",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"context": "..",
+		"args": {
+			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
+			// Append -bullseye or -buster to pin to an OS version.
+			// Use -bullseye variants on local on arm64/Apple Silicon.
+			"VARIANT": "3.7",
+			// Options
+			"NODE_VERSION": "lts/*"
+		}
+	},
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"python.defaultInterpreterPath": "/usr/local/bin/python",
+	},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"ms-python.python",
+		"ms-python.vscode-pylance"
+	],
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		3000
+	],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// Install NPM dependencies.
+	"postCreateCommand": "make",
+  // Use 'postStartCommand' to run 'make up' every time the container is started.
+	"postStartCommand": "make up",
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"features": {
+		"git": "latest",
+		"github-cli": "latest"
+	}
+}

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,55 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ""
+labels: bug, needs triage
+assignees: ""
+---
+
+### Summary
+
+Type here a clear and concise description of the bug. Aim for 2-3 sentences.
+
+### Steps to reproduce
+
+Code snippet:
+
+```
+
+```
+
+Screenshot(s):
+
+(Please provide a code snippet and/or screenshots! These will help expedite us finding and solving the problem.)
+
+If applicable, please provide the steps we should take to reproduce the bug:
+
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+
+**Expected behavior:**
+
+Explain what you expect to happen when you go through the steps above, assuming there were no bugs.
+
+**Actual behavior:**
+
+Explain the buggy behavior you experience when you go through the steps above.
+If applicable, add screenshots to help explain your problem.
+
+### Is this a regression?
+
+That is, did this use to work the way you expected in the past?
+yes / no
+
+### Debug info
+
+- Docs page link: (do you have a link to the docs page containing the bug?)
+- npm version: (get it with `npm -v`)
+- node version: (get it with `node -v`)
+- OS version:
+- Browser version:
+
+### Additional information
+
+If needed, add any other context about the problem here. For example, did this bug come from <https://discuss.streamlit.io> or another site? Link the original source here!

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Streamlit community support
+    url: https://discuss.streamlit.io/
+    about: Please ask and answer questions here.
+  - name: Streamlit documentation
+    url: https://docs.streamlit.io/
+    about: To learn more about how Streamlit works.
+  - name: Streamlit docs README
+    url: https://github.com/streamlit/docs/blob/main/README.md
+    about: To learn how Streamlit's documentation works.

.github/ISSUE_TEMPLATE/doc_improvement.md

@@ -0,0 +1,13 @@
+---
+name: Documentation improvement request
+about: Let us know how our docs could be better
+title: ""
+labels: docs, needs triage
+assignees: ""
+---
+
+**Link to doc page in question (if any):**
+
+**Name of the Streamlit feature whose docs need improvement:**
+
+**What you think the docs should say:**

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,25 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ""
+labels: enhancement, needs triage
+assignees: ""
+---
+
+_(Note, you don't have to fill out every section here. They're just here for guidance. That said, nicely detailed feature requests are more likely to get eng attention sooner)_
+
+### Problem
+
+Is your feature request related to a problem? Please describe the problem here. Ex. I'm always frustrated when [...]
+
+### Solution
+
+**MVP:** What's the smallest possible solution that would get 80% of the problem out of the way?
+
+**Possible additions:** What are other things that could be added to the MVP over time to make it better?
+
+**Preferred solution:** If you don't like the MVP above, tell us why, and what you'd like done instead.
+
+### Additional context
+
+Add any other context or screenshots about the feature request here. For example, did this FR come from <https://discuss.streamlit.io> or another site? Link the original source here!

.github/pull_request_template.md

@@ -0,0 +1,38 @@
+## 📚 Context
+
+<!-- Why do you want to make this change? What background should the reviewer know? -->
+
+## 🧠 Description of Changes
+
+<!-- What was specifically changed? Which files, algorithms, links, media? -->
+<!-- Please add them here as a bulleted list -->
+
+**Revised:**
+
+_Insert screenshot of your updated UI/code here_
+
+**Current:**
+
+_Insert screenshot of existing UI/code here_
+
+## 💥 Impact
+
+<!-- what is the scale of this change -->
+
+Size:
+
+- [ ] Small <!-- Small bug fix or small edit to existing code that amounts to few lines) -->
+- [ ] Not small <!-- Everything else -->
+
+## 🌐 References
+
+<!-- Add link to a Design Document, forum thread, or a ticket that has the greater context for this change. -->
+<!-- For small isolated changes, you can skip this section -->
+
+- [ ] [Notion](...)
+
+<!-- Want to edit this template? https://github.com/streamlit/docs/edit/master/.github/pull_request_template.md -->
+
+**Contribution License Agreement**
+
+By submitting this pull request you agree that all contributions to this project are made under the Apache 2.0 license.

.github/workflows/postbuild-scripts.yml

@@ -0,0 +1,53 @@
+name: postbuild-scripts
+run-name: Build the site, update Algolia's search index, and regenerate the sitemap
+on:
+  push:
+    branches:
+      - "main"
+
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+  group: "${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  build-search-index:
+    runs-on: ubuntu-latest
+    name: Build Algolia search index
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: Setup node, build the site and search index afterwards
+        uses: actions/setup-node@v3
+        with:
+          node-version: "14"
+      - run: npm install
+      - run: npm run build
+      - run: node ./scripts/build-search-index.js
+  build-sitemap:
+    runs-on: ubuntu-latest
+    name: Build sitemap
+
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v3
+
+      - name: Setup node, build the site, and generate the sitemap
+        id: sitemap
+        uses: actions/setup-node@v3
+        with:
+          node-version: "14"
+      - run: npm install
+      - run: npm run build
+      - run: npm run sitemap
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          title: "Automated sitemap update"
+          body: >
+            Sitemap updated by the [generate-sitemap](https://github.com/cicirello/generate-sitemap) 
+            GitHub action. Automated pull-request generated by the 
+            [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action.

.gitignore

@@ -59,6 +59,9 @@ typings/
 .rts2_cache_es/
 .rts2_cache_umd/
 
+# Python cache
+python/__pycache__/
+
 # Optional REPL history
 .node_repl_history
 
@@ -102,3 +105,11 @@ dist
 
 # TernJS port file
 .tern-port
+
+.next/
+node_modules/
+/npm-debug.log
+.DS_Store
+out/
+public/pdf/pages/
+.idea/

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx pretty-quick --staged

.nvmrc

@@ -0,0 +1 @@
+v15.14.0

.prettierignore

@@ -0,0 +1,35 @@
+# Just copied straight from .gitignore
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+.env
+
+# Sitemap and other public files
+/public

.prettierrc.json

@@ -0,0 +1 @@
+{}