Initial commit: Fenix 8 V3 data watch face

- Restore watchface-kit design (500x500, scaled per device)
- 7 themes auto-generated from tokens via gen_themes.py -> Themes.mc
- Four-segment gradient progress ring (22+21 ticks, 4 anchor dots)
- Center time, date band w/ Bluetooth icon, top battery + dual complications, bottom distance/steps
- 17 devices compiled clean (SDK 9.1.0)
- Includes browser/JS preview (preview.html) + 7-theme SVG sheet

resources/drawables/drawables.xml

@@ -0,0 +1,3 @@
+<drawables>
+    <bitmap id="LauncherIcon" filename="launcher_icon.png"/>
+</drawables>