Add cloud_functions to README (firebase#632)

FlutterFire.md

@@ -25,6 +25,7 @@ The plugins are still under development, and some APIs might not be available ye
 | [firebase_storage][storage_pub] | ![pub package][storage_badge] | [Firebase Cloud Storage][storage_product] | [`packages/firebase_storage`][storage_code] |
 | [firebase_performance][performance_pub] | ![pub package][performance_badge] | [Firebase Performance Monitoring][performance_product] | [`packages/firebase_performance`][performance_code] |
 | [firebase_remote_config][remote_config_pub] | ![pub package][remote_config_badge] | [Firebase Remote Config][remote_config_product] | [`packages/firebase_remote_config`][remote_config_code] |
+| [cloud_functions][functions_pub] | ![pub package][functions_badge] | [Cloud Functions][functions_product] | [`packages/cloud_functions`][functions_code] |
 
 [admob_pub]: https://pub.dartlang.org/packages/firebase_admob
 [admob_product]: https://firebase.google.com/docs/admob/
@@ -80,3 +81,8 @@ The plugins are still under development, and some APIs might not be available ye
 [dynamic_links_product]: https://firebase.google.com/products/dynamic-links/
 [dynamic_links_code]: https://github.com/flutter/plugins/tree/master/packages/firebase_dynamic_links
 [dynamic_links_badge]: https://img.shields.io/pub/v/firebase_dynamic_links.svg
+
+[functions_pub]: https://pub.dartlang.org/packages/cloud_functions
+[functions_product]: https://firebase.google.com/products/functions/
+[functions_code]: https://github.com/flutter/plugins/tree/master/packages/cloud_functions
+[functions_badge]: https://img.shields.io/pub/v/cloud_functions.svg

README.md

@@ -69,5 +69,6 @@ These are the available plugins in this repository.
 | [firebase_performance](./packages/firebase_performance/) | [![pub package](https://img.shields.io/pub/v/firebase_performance.svg)](https://pub.dartlang.org/packages/firebase_performance) |
 | [firebase_remote_config](./packages/firebase_remote_config/) | [![pub package](https://img.shields.io/pub/v/firebase_remote_config.svg)](https://pub.dartlang.org/packages/firebase_remote_config) |
 | [firebase_dynamic_links](./packages/firebase_dynamic_links/) | [![pub package](https://img.shields.io/pub/v/firebase_dynamic_links.svg)](https://pub.dartlang.org/packages/firebase_dynamic_links) |
+| [cloud_functions](./packages/cloud_functions/) | [![pub package](https://img.shields.io/pub/v/cloud_functions.svg)](https://pub.dartlang.org/packages/cloud_functions) |
 
 Learn more about [FlutterFire](https://github.com/flutter/plugins/blob/master/FlutterFire.md).