Refactor state

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

index.js

@@ -1,6 +1,9 @@
 import { AppRegistry } from 'react-native';
+import 'react-native-get-random-values';
+import { enableFreeze } from 'react-native-screens';
 import App from './src/app';
 import { name as appName } from './app.json';
-import 'react-native-get-random-values';
+
+enableFreeze(true);
 
 AppRegistry.registerComponent(appName, () => App);