Initial commit — Luma Home trampoline for webOS 5/6

Bind-mounts a transparent web page over LG Home that launches Luma
via WebOSServiceBridge, with a subscription-based background watcher
as fallback. Tested on LG 65NANO813PA, webOS 6.5.3.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

overlay/appinfo.json

@@ -0,0 +1,24 @@
+{
+  "id": "com.webos.app.home",
+  "version": "1.0.0",
+  "vendor": "LG Electronics",
+  "type": "web",
+  "main": "index.html",
+  "title": "Home",
+  "transparent": true,
+  "noSplashOnLaunch": true,
+  "icon": "icon.png",
+  "mediumIcon": "icon.png",
+  "largeIcon": "icon.png",
+  "iconColor": "#1ec15f",
+  "visible": false,
+  "disableBackHistoryAPI": true,
+  "lockable": false,
+  "hasPromotion": false,
+  "accessibility": {
+    "supportsAudioGuidance": true
+  },
+  "defaultWindowType": "home",
+  "handleScreenRemoteKey": true,
+  "bgColor": "#000000"
+}