Revert removing old external storage permissions, they are still needed in old Androids.

Author: perepujal

app/src/main/AndroidManifest.xml

@@ -50,5 +50,7 @@
     <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
     <uses-permission android:name="android.permission.BLUETOOTH"  android:maxSdkVersion="30" />
-
+    <!-- Allow writing to external storage -->
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 </manifest>