feat: point the fleet at wss LiveKit room uwh-telhai

Publish and subscribe over wss://livekit.uni-wh.de:7800 and refuse
cleartext ws://. Conference room is uwh-telhai. Includes the uncommitted
encoded H.264 publish path, Rally hairpin, and KMS wall overlay.

tests/test_usb_ids.py

@@ -0,0 +1,15 @@
+from usb_ids import (
+    HUDDLY_VID,
+    LOGITECH_VID,
+    is_c920_pid,
+    is_fleet_video,
+    is_rally_pid,
+)
+
+
+def test_c920_is_fleet_huddly_and_rally_are_not():
+    assert is_c920_pid(0x08E5)
+    assert is_fleet_video(LOGITECH_VID, 0x08E5)
+    assert not is_fleet_video(HUDDLY_VID, 0x0021)
+    assert not is_fleet_video(LOGITECH_VID, 0x0881)
+    assert is_rally_pid(0x0881)