Support Nothing Ear (3) + fix MainControl redirects

[daanblom]

Adds support for Nothing Ear (3) and fixes MainControl redirect paths for static hosting.

Changes

• Added Fast Pair model IDs:
  • Black: 7D46E5
  • White: C1EBFD
• Mapped both to base B171 (confirmed protocol-compatible).
• Added Ear (3) assets (black and white).
• Updated README and landing page support list.
• Fixed switchViewFromModelID redirects to:
  • Use MainControl/*.html paths
  • Preserve window.location.search
  • Fix 404 when serving via static servers (e.g. python -m http.server)

Testing

• Chrome, Microsoft edge. Locally via python -m http.server and online using Nginx
• Verified:
  • Connection works
  • Battery levels display (for earbuds and case)
  • ANC toggles work
  • EQ changes apply and persist

[Lisra-git]

Hey
Thanks for the PR, it's preferable to use a new base even if it's close to the previous especially as we're getting new features with the case which might need to be reimplemented

[daanblom]

Makes sense! For now, I've duplicated the B155 config (from the ear 2) into a new one (used B156 for now, but not 100% sure if that is the right approach?). Besides that I also updated the control.js and nothing_connected.js files, and created MainControl_threes.html

[dig301]

Hey, just bumping this. Would love to get it merged when you get a chance. Happy to make any changes if needed!