feat: add movies stats screen and improve provider sync

- Add MoviesScreen and corresponding navigation
- Implement movie data aggregation in ViewingDao and repository
- Enhance NetflixParser to support multiple JSON payload shapes
- Apply custom app theme and update launcher icons
- Add back navigation handling to ProviderSyncScreen

app/src/main/AndroidManifest.xml

@@ -12,13 +12,13 @@
         android:label="BingeStats"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@android:style/Theme.Material.NoTitleBar"
+        android:theme="@style/Theme.BingeStats"
         android:usesCleartextTraffic="true">
-        
+
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:theme="@android:style/Theme.Material.NoTitleBar">
+            android:theme="@style/Theme.BingeStats">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />