chore: use react native test app

Author: Naturalclar

example/.buckconfig

@@ -1,59 +1,14 @@
-# OSX
-#
+*.binlog
+*.hprof
+*.xcworkspace/
+*.zip
 .DS_Store
-
-# Xcode
-#
+.gradle/
+.idea/
+.vs/
+Pods/
 build/
-*.pbxuser
-!default.pbxuser
-*.mode1v3
-!default.mode1v3
-*.mode2v3
-!default.mode2v3
-*.perspectivev3
-!default.perspectivev3
-xcuserdata
-*.xccheckout
-*.moved-aside
-DerivedData
-*.hmap
-*.ipa
-*.xcuserstate
-
-# Android/IntelliJ
-#
-build/
-.idea
-.gradle
+dist/
 local.properties
-*.iml
-
-# node.js
-#
+msbuild.binlog
 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
-
-# Bundle artifact
-*.jsbundle
-
-# CocoaPods
-/ios/Pods/

example/.flowconfig

@@ -1,13 +1,13 @@
 import * as React from 'react';
 import {StyleSheet, Text, SafeAreaView, Platform} from 'react-native';
-import {ProgressView} from '../js';
+import {ProgressView} from '@react-native-community/progress-view';
 
 type Props = {||};
 type State = {|
   progress: number,
 |};
 
-export class App extends React.Component<Props, State> {
+class App extends React.Component<Props, State> {
   _rafId: ?AnimationFrameID = null;
 
   state = {
@@ -118,6 +118,8 @@ export class App extends React.Component<Props, State> {
   }
 }
 
+export default App;
+
 const styles = StyleSheet.create({
   container: {
     flex: 1,