feat: add QR code scanning and file upload capabilities with permissions

android/app/src/main/AndroidManifest.xml

@@ -24,6 +24,12 @@
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
+            <intent-filter android:label="flux_deep_link">
+        <action android:name="android.intent.action.VIEW" />
+        <category android:name="android.intent.category.DEFAULT" />
+        <category android:name="android.intent.category.BROWSABLE" />
+        <data android:scheme="fluxapp" />
+    </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
@@ -31,6 +37,17 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-feature android:name="android.hardware.camera.autofocus" />
+
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" 
+                     android:maxSdkVersion="28" />
     <!-- Required to query activities that can process text, see:
          https://developer.android.com/training/package-visibility and
          https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
@@ -42,4 +59,5 @@
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
+
 </manifest>