Upgrade to Latest RN 0.72.4

.eslintrc

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@react-native',
+};

.gitignore

@@ -1,3 +1,8 @@
+##
+# Ignore my keystore
+#
+android/app/release.keystore
+
 # OSX
 #
 .DS_Store
@@ -39,22 +44,17 @@ node_modules/
 npm-debug.log
 yarn-error.log
 
-# BUCK
-buck-out/
-\.buckd/
-*.keystore
-!debug.keystore
-
 # fastlane
 #
 # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
 # screenshots whenever they are needed.
 # For more information about the recommended setup visit:
 # https://docs.fastlane.tools/best-practices/source-control/
 
-*/fastlane/report.xml
-*/fastlane/Preview.html
-*/fastlane/screenshots
+**/fastlane/report.xml
+**/fastlane/Preview.html
+**/fastlane/screenshots
+**/fastlane/test_output
 
 # Bundle artifact
 *.jsbundle

__tests__/App-test.tsx

@@ -6,6 +6,9 @@ import 'react-native';
 import React from 'react';
 import App from '../App';
 
+// Note: import explicitly to use the types shiped with jest.
+import {it} from '@jest/globals';
+
 // Note: test renderer must be required after react-native.
 import renderer from 'react-test-renderer';