Final Code Updated and Docs Generated, Ready to Merge After Review; F…

…ixes: com-lihaoyi#3550

example/kotlinlib/android/2-jetpack-compose-hello-world/build.mill

@@ -3,9 +3,10 @@
 // and specifies the necessary configurations for the Android SDK and Kotlin versions.
 
 // The main components include:
-// - Maven repositories for dependency resolution
-// - Android SDK configuration, including the build tools version
-// - Android application module with required dependencies for Jetpack Compose
+//
+//   - Maven repositories for dependency resolution
+//   - Android SDK configuration, including the build tools version
+//   - Android application module with required dependencies for Jetpack Compose
 
 //// SNIPPET:BUILD
 package build
@@ -53,31 +54,34 @@ object app extends AndroidAppKotlinModule {
 
 */
 
-// To build the Android APK, you can use this command
-// This command will output the path to the generated APK file
+// To build the Android APK, you can use this command.
+// This command will output the path to the generated APK file.
 // This path indicates where the built APK can be found after executing the build process.
 //
 //
 // Detailed Code Explanation
+//
 // 1. **Maven Repositories**: 
-//    - `val maven_google`: This sequence defines the Maven repositories from which dependencies will be resolved.
+//      - `val maven_google`: This sequence defines the Maven repositories from which dependencies will be resolved.
 //      - Google Maven repository is essential for Android libraries.
 //      - Maven Central repository provides additional libraries.
 //
 // 2. **Android SDK Module**: 
-//    - `object androidSdkModule0`: Defines an Android SDK module.
+//      - `object androidSdkModule0`: Defines an Android SDK module.
 //      - `def buildToolsVersion`: Specifies the version of the Android build tools to be used during the build process.
 //
 // 3. **Android Application Module**: 
-//    - `object app`: Defines the main Android application module.
+//      - `object app`: Defines the main Android application module.
 //      - `def kotlinVersion`: Specifies the version of Kotlin used in the application.
 //      - `def androidSdkModule`: Links to the previously defined Android SDK module.
 //      - `override def mandatoryIvyDeps`: Overrides the default dependencies to include necessary Jetpack Compose libraries.
 //      - `def repositoriesTask`: Combines the default repositories with custom Maven repositories for dependency resolution.
 //
-// Directory Structure:
+// ### Project Structure:
+//
 // The project structure is as follows:
 // 
+// ----
 // example/kotlinlib/android/2-jetpack-compose-hello-world
 // ├── app
 // │   ├── AndroidManifest.xml       // Manifest file for the application
@@ -88,4 +92,6 @@ object app extends AndroidAppKotlinModule {
 // │                   └── helloworld
 // │                       └── app
 // │                           └── MainActivity.kt  // Main activity of the application
-// └── build.mill                     // Mill build configuration file
+// └── build.mill                     // Mill build configuration file
+//----
+//