Pull request

Description

This PR adds a new "GitHub" section to the "Settings" of the demo. This aligns with what is done in the Apple demo.

Changes made

• Add a new "GitHub" section to the settings. It contains a link to the GitHub repository and the project board.
• Tweak animations for the dropdown menu.
• Small padding updates in the demo.

Checklist

• 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).