Added docker folder with Dockerfile for local development

Author: vfdev-5

docker/Dockerfile

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+FROM continuumio/miniconda3:23.3.1-0
+
+# Install nodejs v18
+RUN apt-get update && \
+    apt-get install -y curl && \
+    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
+    apt-get install -y nodejs
+
+# Install pnpm and few python code-generator deps
+# Taken from .github/workflows/ci.yml
+RUN pip install wheel setuptools pip -Uqq && \
+    pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu && \
+    pip install pytorch-ignite pyyaml albumentations image_dataset_viz pytest transformers datasets tensorboard && \
+    npm i -g pnpm && \
+    npx playwright install

docker/readme.md

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+# Docker image for local development
+
+## Build development docker image
+
+```bash
+# Assuming the current folder to be code-generator source root folder
+cd docker
+docker build --tag pytorchignite/codegenerator:dev .
+cd ../
+```
+
+## Run the image as a container
+
+Assumptions:
+- `$PWD` is code-generator source root folder
+- To replace `/host/path/to/data` with a path to the input data (for example CIFAR10 and/or VOCdevkit etc), e.g. `/mnt/data`
+
+```bash
+# Assuming the current folder to be code-generator source root folder
+docker run --name=codegen-dev -it -v $PWD:/code -w /code -v /data:/host/path/to/data --network=host --ipc=host pytorchignite/codegenerator:dev /bin/bash
+```
+
+Inside the container we can install all other project related dependencies:
+```bash
+git config --global --add safe.directory /code
+
+pnpm i --frozen-lockfile --color
+pnpm build
+pnpm test:ci
+```