Align examples with pillarbox-apple

[MGaetan89]

Pull request

Description

This PR integrates the examples from pillarbox-apple, while maintaining the Android specific examples (Google streams, unified streams - DASH).
Since the current playlists are shared in various part of the demo apps, I've created specific ones for the "Examples" section to not impact the rest of the app.

Changes made

• Integrate every examples from pillarbox-apple and add the Android specific examples
• Created a Playlist.examplesPlaylists that contains every playlists to display in "Examples", and use it in both the mobile and TV demo apps
• Refresh the design of the "Examples" section on mobile

Screenshots

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Checklist

• Your branch has been rebased onto the main branch.
• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).
• All pull request status checks pass.