Basic Firebase setup

lib/views/loading.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+
+class Loading extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        body: SafeArea(
+          child: Center(child: CircularProgressIndicator()),
+        ),
+      ),
+    );
+  }
+}