Add button to take pictures or load images from gallery

At the moment not functional and nothing is done with the data

android/app/build.gradle

@@ -68,7 +68,7 @@ android {
     defaultConfig {
         // Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "de.wger.flutter"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

android/app/src/debug/AndroidManifest.xml

@@ -10,6 +10,9 @@
             <action android:name="android.intent.action.VIEW" />
             <data android:scheme="https" />
         </intent>
+        <intent>
+            <action android:name="android.media.action.IMAGE_CAPTURE" />
+        </intent>
     </queries>
     <application android:usesCleartextTraffic="true"/>
 </manifest>