feat: bluetooth widget

[C0m0n]

• [ ] Device Status
  • [x] Paired
  • [x] Connected
  • [ ] Available
• [ ] Device connection
  • [x] Connect
  • [x] Disconnect
  • [ ] Autoconnect
• [ ] Device Pairing
  • [ ] Pair device
  • [ ] Forget device
• [x] Per device battery status
• [x] System bluetooth toggle

[Snxwman]

Remaining functions needs a lot more work on the script side.