Added toml versioning in basics codelab

[raystatic]

Added toml versioning for basics codelab as it was creating friction with Android Studio Started project template.

Friction Log: https://docs.google.com/document/d/1xvMKa9fv7SsNpWhnoxX376Mvfivat9tzj5PjxgCL0qI/edit?tab=t.0#heading=h.evwnjzlk8wx7

[gemini-code-assist]

Summary of Changes

Hello @raystatic, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors the dependency and plugin management within the BasicsCodelab project by introducing Gradle Version Catalogs. This modernization centralizes all version declarations in a single TOML file, enhancing maintainability and consistency across the build scripts. The primary motivation is to resolve compatibility issues encountered when integrating with Android Studio's default project templates, thereby improving the developer experience.

Highlights

• Migration to Gradle Version Catalogs: The project's dependency and plugin management has been updated to use Gradle Version Catalogs, centralizing version declarations for improved consistency and maintainability.
• Centralized Version Management: All plugin and library versions are now defined in the newly introduced libs.versions.toml file, ensuring a single source of truth for dependency versions.
• Improved Compatibility with Android Studio: This change directly addresses and resolves friction encountered when using Android Studio's started project templates, streamlining the development workflow.

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[gemini-code-assist]

Code Review

This pull request successfully migrates the project to use Gradle Version Catalogs by introducing a libs.versions.toml file and updating the build scripts to reference it. This is a great improvement for dependency management. My review includes a few suggestions for the new libs.versions.toml file to improve clarity and adhere to common conventions, such as renaming an ambiguous version alias and using dot notation for library and plugin aliases for better organization.

[gemini-code-assist]

The version alias junitVersion is ambiguous as there is also a junit version defined just above. Since this version corresponds to androidx.test.ext:junit (used on line 15), renaming it to androidxJunit would make it more descriptive and prevent confusion. Remember to update the version.ref on line 15 accordingly.

Suggested change

	junitVersion = "1.3.0"
	androidxJunit = "1.3.0"

[riggaroo]

this one is worth addressing

[riggaroo]

Overall lgtm, you might just want to address the feedback on the junit version