Added Android app signing example

README.md

@@ -218,6 +218,11 @@ We then extracted the PEM to send to Google (example code)
 
 ``` bash
 keytool -export -rfc -alias upload -file upload_certificate.pem -keystore keystore.jks
+```
+
+Signing can be done like this (example):
+``` bash
+$ cordova run android --release -- --keystore=[PATH_TO_KEYSTORE] --storePassword=[KEYSTORE_PASSWORD] --alias=upload --password=[PASSWORD] --packageType=bundle
 
 ```