Mac downloads are now signed - many updates with release 0.14

Mac installs are now seamless: builds are Apple Developer ID signed and notarized. No special workarounds required to install and run the app on Apple hardware.
New Street View mode during rides, with full-screen/map-split options where imagery is available.
Improved ride camera: better rider framing, terrain avoidance, and recovery from blocked views.
Route jumping now includes an elevation preview and resets ride stats from the jump point.
Ending a ride now properly stops motion and returns trainer grade to neutral.
Clearer trainer/heart-rate connection states and cleanup of stale metrics after disconnects.
Expanded HUD/settings controls, including sizing, spacing, font size, and live preview.
Improved route search/sorting behavior.
Other riders now appear with clearer, color-coded map markers.