Standardize FWE lesson names, paths, and links (#7094)

- Moves FWE content to `/learn/tutorial` to match docs.flutter.dev.
- Adds a new placeholder index for a general learning page at `/learn`
for @ericwindmill to fill out. Leaves a temporary redirect incase
someone navigates to it before its filled out.
- Updates some lesson paths to be more consistent.
- Updates the lesson primary titles to each be task orientated (since
this a tutorial).
- Updates the lesson titles, links, and urls in the index and
previous/next page cards.

Fixes #7052

Author: parlough

firebase.json

@@ -169,6 +169,7 @@
       { "source": "/faq", "destination": "/resources/faq", "type": 301 },
       { "source": "/ffi", "destination": "/interop/c-interop", "type": 301 },
       { "source": "/flutter", "destination": "https://flutter.dev", "type": 301 },
+      { "source": "/get-started{,/**}", "destination": "/learn/tutorial", "type": 301 },
       { "source": "/glossary", "destination": "/resources/glossary", "type": 301 },
       { "source": "/glossary/:entry", "destination": "/resources/glossary#:entry", "type": 301 },
 
@@ -353,6 +354,7 @@
       { "source": "/language/macros", "destination": "https://blog.dart.dev/an-update-on-dart-macros-data-serialization-06d3037d4f12", "type": 301 },
       { "source": "/language/null-safety", "destination": "/null-safety", "type": 301 },
       { "source": "/language/specification", "destination": "/resources/language/spec", "type": 301 },
+      { "source": "/learn", "destination": "/docs", "type": 301 },
       { "source": "/libraries/async", "destination": "/libraries/dart-async", "type": 301 },
       { "source": "/libraries/serialization", "destination": "/libraries/serialization/json", "type": 301 },
       { "source": "/linter/lints/:lint*", "destination": "/tools/linter-rules/:lint", "type": 301 },

site/lib/src/components/layout/header.dart

@@ -91,7 +91,7 @@ class DashHeader extends StatelessComponent {
           ]),
           li([
             if (activeEntry == ActiveNavEntry.learn)
-              const a(href: '/get-started', classes: 'nav-link active', [
+              const a(href: '/learn', classes: 'nav-link active', [
                 .text('Learn'),
               ])
             else

site/lib/src/style_hash.dart

@@ -2,4 +2,4 @@
 // dart format off
 
 /// The generated hash of the `main.css` file.
-const generatedStylesHash = '';
+const generatedStylesHash = 'RHmO6DK8CuPj';

site/lib/src/utils/active_nav.dart

@@ -14,12 +14,11 @@ ActiveNavEntry? activeNavEntry(String pageUrlPath) {
   return switch (firstFragment) {
     'overview' => ActiveNavEntry.overview,
     'community' => ActiveNavEntry.community,
-    'get-started' => ActiveNavEntry.learn,
+    'learn' || 'get-started' => ActiveNavEntry.learn,
     'get-dart' => ActiveNavEntry.getDart,
     'deprecated' ||
     'docs' ||
     'effective-dart' ||
-    'get-started' ||
     'interop' ||
     'language' ||
     'libraries' ||

src/content/get-started/index.md

@@ -0,0 +1,11 @@
+---
+title: Learn Dart
+breadcrumb: Learn
+description: >-
+  Get started learning the Dart programming language.
+sidenav: getStarted
+sitemap: false
+noindex: true
+---
+
+TODO(ewindmill): Fill with content.

src/content/learn/index.md

@@ -1,19 +1,20 @@
 ---
-title: Advanced OOP-adjacent features
-shortTitle: Advanced OOP Features
+title: Extend your app with enums and extensions
+shortTitle: Advanced OOP features
 description: >-
-  Enhance your Dart skills by exploring advanced features like enhanced enums
-  and extensions. Improve your application's output formatting and color,
+  Enhance your Dart skills by exploring
+  advanced features like enhanced enums and extensions.
+  Improve your application's output formatting and color,
   making it more user-friendly.
 sitemap: false
 noindex: true
 layout: learn
 prevpage:
-  url: /get-started/error-handling
-  title: Error handling
+  url: /learn/tutorial/error-handling
+  title: Handle errors gracefully
 nextpage:
-  url: /get-started/command-runner-polish
-  title: command_runner polish
+  url: /learn/tutorial/cli-polish
+  title: Polish your CLI app
 ---
 
 {% render 'fwe-wip-warning.md', site: site %}

src/content/get-started/advanced-oop.md …c/content/learn/tutorial/advanced-oop.mdsrc/content/get-started/advanced-oop.md renamed to src/content/learn/tutorial/advanced-oop.md src/content/get-started/advanced-oop.md renamed to src/content/learn/tutorial/advanced-oop.md

@@ -1,17 +1,17 @@
 ---
-title: Intro to async and HTTP
-shortTitle: Async and HTTP
+title: Write asynchronous code
+shortTitle: Async code
 description: >-
   Learn about asynchronous programming in Dart and how to make HTTP requests.
 sitemap: false
 noindex: true
 layout: learn
 prevpage:
-  url: /get-started/add-commands
-  title: Make your program interactive
+  url: /learn/tutorial/interactivity
+  title: Add interactivity to your app
 nextpage:
-  url: /get-started/packages-libs
-  title: Packages and libraries
+  url: /learn/tutorial/packages-libs
+  title: Organize code with packages and libraries
 ---
 
 {% render 'fwe-wip-warning.md', site: site %}

src/content/get-started/async.md src/content/learn/tutorial/async.mdsrc/content/get-started/async.md renamed to src/content/learn/tutorial/async.md

@@ -1,18 +1,18 @@
 ---
-title: Command_runner polish
-shortTitle: Command_runner polish
+title: Polish your CLI app
+shortTitle: CLI polish
 description: >-
-  Improve the HelpCommand to provide more detailed information and add an
-  onOutput argument for flexible output handling.
+  Improve the HelpCommand to provide more detailed information and
+  add an onOutput argument for flexible output handling.
 sitemap: false
 noindex: true
 layout: learn
 prevpage:
-  url: /get-started/advanced-oop
-  title: Advanced OOP features
+  url: /learn/tutorial/advanced-oop
+  title: Extend your app with enums and extensions
 nextpage:
-  url: /get-started/data-and-json
-  title: Data and JSON
+  url: /learn/tutorial/data-and-json
+  title: Work with JSON data
 ---
 
 {% render 'fwe-wip-warning.md', site: site %}
@@ -243,7 +243,7 @@ In this lesson, you learned:
 
 ## Quiz
 
-<Quiz title="Check your understanding" id="command-runner-polish" />
+<Quiz title="Check your understanding" id="cli-polish" />
 
 ## Next lesson
 

…ent/get-started/command-runner-polish.md src/content/learn/tutorial/cli-polish.mdsrc/content/get-started/command-runner-polish.md renamed to src/content/learn/tutorial/cli-polish.md src/content/get-started/command-runner-polish.md renamed to src/content/learn/tutorial/cli-polish.md

@@ -1,18 +1,19 @@
 ---
-title: Data and JSON
+title: Work with JSON data
+shortTitle: Data and JSON
 description: >-
   Learn about JSON deserialization in Dart, including how to
-  use `dart:convert`, `jsonDecode`, and pattern matching to work with
-  JSON data from the Wikipedia API.
+  use `dart:convert`, `jsonDecode`, and pattern matching to
+  work with JSON data from the Wikipedia API.
 sitemap: false
 noindex: true
 layout: learn
 prevpage:
-  url: /get-started/command-runner-polish
-  title: Command runner polish
+  url: /learn/tutorial/cli-polish
+  title: Polish your CLI app
 nextpage:
-  url: /get-started/testing
-  title: Testing
+  url: /learn/tutorial/testing
+  title: Test your app & code
 ---
 
 {% render 'fwe-wip-warning.md', site: site %}