android: add app description

Author: kavishdevar

android/app/src/main/AndroidManifest.xml

@@ -44,6 +44,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LibrePods"
+        android:description="@string/app_description"
         tools:ignore="UnusedAttribute"
         tools:targetApi="31">
         <receiver

android/app/src/main/res/values/strings.xml

@@ -1,5 +1,6 @@
 <resources>
     <string name="app_name" translatable="false">LibrePods</string>
+    <string name="app_description" translatable="false">Liberate your AirPods from Apple\'s ecosystem.</string>
     <string name="title_activity_custom_device" translatable="false">GATT Testing</string>
     <string name="app_widget_description">See your AirPods battery status right from your home screen!</string>
     <string name="accessibility">Accessibility</string>