feat: add Linux permission handling for media access and configure main window in tauri.conf.json

- Implemented automatic permission handling for microphone and camera access on Linux using webkit2gtk.
- Updated tauri.conf.json to define the main application window with specific dimensions and properties.

src-tauri/gen/android/app/src/main/AndroidManifest.xml

@@ -10,6 +10,16 @@
     <uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
     <uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" android:maxSdkVersion="32" />
     <uses-permission android:name="android.permission.USE_EXACT_ALARM" />
+    
+    <!-- Audio/Video call permissions -->
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    
+    <!-- Hardware features for calls (optional) -->
+    <uses-feature android:name="android.hardware.camera" android:required="false" />
+    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
+    <uses-feature android:name="android.hardware.microphone" android:required="false" />
 
     <!-- AndroidTV support -->
     <uses-feature android:name="android.software.leanback" android:required="false" />