Add READ_SMS and RECEIVE_SMS permissions

Example/android/app/src/main/AndroidManifest.xml

     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.READ_CALENDAR"/>
-
+    <uses-permission android:name="android.permission.READ_SMS"/>
+    <uses-permission android:name="android.permission.RECEIVE_SMS"/>
 
     <application
       android:name=".MainApplication"

README.md

 - Push Notifications *(iOS only)*
 - Background Refresh *(iOS only)*
 - Speech Recognition *(iOS only)*
+- Read/Receive SMS *(Android only)*
 
 
 | Version | React Native Support |
 |`backgroundRefresh`| ✔️ | ❌ |
 |`speechRecognition`| ✔️ | ❌ |
 |`storage`| ❌️ | ✔ |
+|`readSms`| ❌️ | ✔ |
+|`receiveSms`| ❌️ | ✔ |
 
 ### Methods
 | Method Name | Arguments | Notes

index.android.js

 	event: RNPermissions.PERMISSIONS.READ_CALENDAR,
 	storage: RNPermissions.PERMISSIONS.READ_EXTERNAL_STORAGE,
 	photo: RNPermissions.PERMISSIONS.READ_EXTERNAL_STORAGE,
+	readSms: RNPermissions.PERMISSIONS.READ_SMS,
+	receiveSms: RNPermissions.PERMISSIONS.READ_SMS,
 }
 
 const RESULTS = {
 	check(permission) {
 		const androidPermission = RNPTypes[permission]
   	if (!androidPermission) return Promise.reject(`ReactNativePermissions: ${permission} is not a valid permission type on Android`);
-		
+
 		const shouldShowRationale = ReactNative.NativeModules.PermissionsAndroid.shouldShowRequestPermissionRationale;
 
 		return RNPermissions.check(androidPermission)