add sound example

Examples/simple-fcm-client/app/App.js

@@ -42,6 +42,7 @@ export default class App extends Component {
       title: 'Hello',
       body: 'Test Notification',
       priority: "high",
+      sound: "bell.mp3",
       show_in_foreground: true,
       picture: 'https://firebase.google.com/_static/af7ae4b3fc/images/firebase/lockup.png'
     });

Examples/simple-fcm-client/app/PushController.js

@@ -11,8 +11,13 @@ export default class PushController extends Component {
     super(props);
   }
 
-  componentDidMount() {
-    FCM.requestPermissions();
+  async componentDidMount() {
+
+    try{
+      let result = await FCM.requestPermissions({badge: false, sound: true, alert: true});
+    } catch(e){
+      console.error(e);
+    }
 
     FCM.getFCMToken().then(token => {
       console.log("TOKEN (getFCMToken)", token);

Examples/simple-fcm-client/ios/SimpleFcmClient.xcodeproj/project.pbxproj

@@ -23,6 +23,7 @@
 		140ED2AC1D01E1AD002B40FF /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
 		146834051AC3E58100842450 /* libReact.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 146834041AC3E56700842450 /* libReact.a */; };
 		3A6D62911E2044AB00D0D2C7 /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 3A6D62901E2044AB00D0D2C7 /* libz.tbd */; };
+		3AC87E631F6C190900194883 /* bell.mp3 in Resources */ = {isa = PBXBuildFile; fileRef = 3AC87E621F6C190900194883 /* bell.mp3 */; };
 		4339BFE81DAEE9D100F53B62 /* GoogleService-Info.plist in Resources */ = {isa = PBXBuildFile; fileRef = 4339BFE71DAEE9D100F53B62 /* GoogleService-Info.plist */; };
 		5FE70723D2AE04BF2D98342D /* libPods-SimpleFcmClientTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 0E8C044191FA88F1BCCF08BD /* libPods-SimpleFcmClientTests.a */; };
 		6976C617E52062E3EE272128 /* libPods-SimpleFcmClient.a in Frameworks */ = {isa = PBXBuildFile; fileRef = A959965489E40CE19F2B06B4 /* libPods-SimpleFcmClient.a */; };
@@ -259,6 +260,7 @@
 		146833FF1AC3E56700842450 /* React.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = React.xcodeproj; path = "../node_modules/react-native/React/React.xcodeproj"; sourceTree = "<group>"; };
 		3A6D628E1E20449400D0D2C7 /* libc++.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = "libc++.tbd"; path = "usr/lib/libc++.tbd"; sourceTree = SDKROOT; };
 		3A6D62901E2044AB00D0D2C7 /* libz.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libz.tbd; path = usr/lib/libz.tbd; sourceTree = SDKROOT; };
+		3AC87E621F6C190900194883 /* bell.mp3 */ = {isa = PBXFileReference; lastKnownFileType = audio.mp3; path = bell.mp3; sourceTree = "<group>"; };
 		4339BFE31DAEBB4800F53B62 /* module.modulemap */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.module-map"; path = module.modulemap; sourceTree = "<group>"; };
 		4339BFE61DAED4D900F53B62 /* SimpleFcmClient.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; name = SimpleFcmClient.entitlements; path = SimpleFcmClient/SimpleFcmClient.entitlements; sourceTree = "<group>"; };
 		4339BFE71DAEE9D100F53B62 /* GoogleService-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "GoogleService-Info.plist"; sourceTree = "<group>"; };
@@ -396,6 +398,7 @@
 				13B07FB61A68108700A75B9A /* Info.plist */,
 				13B07FB11A68108700A75B9A /* LaunchScreen.xib */,
 				13B07FB71A68108700A75B9A /* main.m */,
+				3AC87E621F6C190900194883 /* bell.mp3 */,
 			);
 			name = SimpleFcmClient;
 			sourceTree = "<group>";
@@ -858,6 +861,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
+				3AC87E631F6C190900194883 /* bell.mp3 in Resources */,
 				13B07FBD1A68108700A75B9A /* LaunchScreen.xib in Resources */,
 				4339BFE81DAEE9D100F53B62 /* GoogleService-Info.plist in Resources */,
 			);