Update example to use new api

Author: Kadi Kraman

Example/App.js

@@ -58,8 +58,7 @@ export default class App extends Component<{}, State> {
 
   refresh = async () => {
     try {
-      const authState = await refresh({
-        ...config,
+      const authState = await refresh(config, {
         refreshToken: this.state.refreshToken
       });
       console.log('refresh result ', authState);
@@ -77,8 +76,7 @@ export default class App extends Component<{}, State> {
 
   revoke = async () => {
     try {
-      await revoke({
-        ...config,
+      await revoke(config, {
         tokenToRevoke: this.state.accessToken,
         sendClientId: true
       });

Example/package.json

@@ -9,7 +9,7 @@
 	"dependencies": {
 		"react": "16.0.0",
 		"react-native": "0.50.3",
-		"react-native-app-auth": "git+https://git@github.com/FormidableLabs/react-native-app-auth.git#96f57eab7f0b2388bb2f3c87897ff3decaeebef6",
+		"react-native-app-auth": "git+https://git@github.com/FormidableLabs/react-native-app-auth.git#b4a33ba178bddf1528066d1b5198d7d01d8693ad",
 		"styled-components": "^2.2.3"
 	},
 	"devDependencies": {

Example/yarn.lock

@@ -3399,9 +3399,9 @@ react-devtools-core@^2.5.0:
     shell-quote "^1.6.1"
     ws "^2.0.3"
 
-"react-native-app-auth@git+https://git@github.com/FormidableLabs/react-native-app-auth.git#96f57eab7f0b2388bb2f3c87897ff3decaeebef6":
+"react-native-app-auth@git+https://git@github.com/FormidableLabs/react-native-app-auth.git#b4a33ba178bddf1528066d1b5198d7d01d8693ad":
   version "1.0.1"
-  resolved "git+https://git@github.com/FormidableLabs/react-native-app-auth.git#96f57eab7f0b2388bb2f3c87897ff3decaeebef6"
+  resolved "git+https://git@github.com/FormidableLabs/react-native-app-auth.git#b4a33ba178bddf1528066d1b5198d7d01d8693ad"
 
 react-native@0.50.3:
   version "0.50.3"