Added url to guide
Added url to guide
blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example,blumanski/react-native-firebase-facebook-login-example