- Firebase emulator added

- Update to Espresso tests
 - Updated gradle dependencies for espresso

Took 9 hours 56 minutes

storage.rules

@@ -0,0 +1,8 @@
+rules_version = '2';
+service firebase.storage {
+  match /b/{bucket}/o {
+    match /{allPaths=**} {
+      allow read, write: if false;
+    }
+  }
+}