Implement initial authentication flow

app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 	package="gq.kirmanak.mealie">
 
+	<uses-permission android:name="android.permission.INTERNET" />
+
 	<application
 		android:name=".MealieApp"
 		android:allowBackup="true"