Update README to mention web support (flutter#1552)

* Update README to mention web support

README.md

@@ -3,32 +3,32 @@
 [![Build Status](https://api.cirrus-ci.com/github/FirebaseExtended/flutterfire.svg)](https://cirrus-ci.com/github/FirebaseExtended/flutterfire/master)
 
 FlutterFire is a set of [Flutter plugins](https://flutter.io/platform-plugins/)
-that enable Flutter apps to use one or more [Firebase](https://firebase.google.com/) services. You can follow an example that shows how to use these plugins in the [Firebase for Flutter](https://codelabs.developers.google.com/codelabs/flutter-firebase/index.html#0) codelab.
+that enable Flutter apps to use [Firebase](https://firebase.google.com/) services. You can follow an example that shows how to use these plugins in the [Firebase for Flutter](https://codelabs.developers.google.com/codelabs/flutter-firebase/index.html#0) codelab.
 
-[Flutter](https://flutter.dev) is Google's mobile app SDK for crafting high-quality native interfaces on iOS and Android in record time. Flutter works with existing code, is used by developers and organizations around the world, and is free and open source.
+[Flutter](https://flutter.dev) is Google’s UI toolkit for building beautiful, natively compiled applications for mobile, web, and desktop from a single codebase. Flutter is used by developers and organizations around the world, and is free and open source.
 
-*Note*: FlutterFire plugins are still under development, and some APIs might not be available yet.
+*Note*: FlutterFire is still under development, and some APIs and platforms might not be available yet.
 [Feedback](https://github.com/FirebaseExtended/flutterfire/issues) and [Pull Requests](https://github.com/FirebaseExtended/flutterfire/pulls) are most welcome!
 
 ## Available FlutterFire plugins
 
-| Plugin | Version | Firebase feature | Source code |
-|---|---|---|---|
-| [cloud_firestore][firestore_pub] | ![pub package][firestore_badge] | [Cloud Firestore][firestore_product] | [`packages/cloud_firestore`][firestore_code] |
-| [cloud_functions][functions_pub] | ![pub package][functions_badge] | [Cloud Functions][functions_product] | [`packages/cloud_functions`][functions_code] |
-| [firebase_admob][admob_pub] | ![pub package][admob_badge] | [Firebase AdMob][admob_product] | [`packages/firebase_admob`][admob_code] |
-| [firebase_analytics][analytics_pub] | ![pub package][analytics_badge] | [Firebase Analytics][analytics_product] | [`packages/firebase_analytics`][analytics_code] |
-| [firebase_auth][auth_pub] | ![pub package][auth_badge] | [Firebase Authentication][auth_product] | [`packages/firebase_auth`][auth_code] |
-| [firebase_core][core_pub] | ![pub package][core_badge] | [Firebase Core][core_product] | [`packages/firebase_core`][core_code] |
-| [firebase_crashlytics][crash_pub] | ![pub package][crash_badge] | [Firebase Crashlytics][crash_product] | [`packages/firebase_crashlytics`][crash_code] |
-| [firebase_database][database_pub] | ![pub package][database_badge] | [Firebase Realtime Database][database_product] | [`packages/firebase_database`][database_code] |
-| [firebase_dynamic_links][dynamic_links_pub] | ![pub package][dynamic_links_badge] | [Firebase Dynamic Links][dynamic_links_product] | [`packages/firebase_dynamic_links`][dynamic_links_code] |
-| [firebase_in_app_messaging][in_app_messaging_pub] | ![pub package][in_app_messaging_badge] | [Firebase In-App Messaging][in_app_messaging_product] | [`packages/firebase_in_app_messaging`][in_app_messaging_code] |
-| [firebase_messaging][messaging_pub] | ![pub package][messaging_badge] | [Firebase Cloud Messaging][messaging_product] | [`packages/firebase_messaging`][messaging_code] |
-| [firebase_ml_vision][ml_vision_pub] | ![pub package][ml_vision_badge] | [Firebase ML Kit][ml_vision_product] | [`packages/firebase_ml_vision`][ml_vision_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] |
-| [firebase_storage][storage_pub] | ![pub package][storage_badge] | [Firebase Cloud Storage][storage_product] | [`packages/firebase_storage`][storage_code] |
+| Plugin | Version | Firebase feature | Source code | Web? |
+|---|---|---|---|---|
+| [cloud_firestore][firestore_pub] | ![pub package][firestore_badge] | [Cloud Firestore][firestore_product] | [`cloud_firestore`][firestore_code] | |
+| [cloud_functions][functions_pub] | ![pub package][functions_badge] | [Cloud Functions][functions_product] | [`cloud_functions`][functions_code] | |
+| [firebase_admob][admob_pub] | ![pub package][admob_badge] | [Firebase AdMob][admob_product] | [`firebase_admob`][admob_code] | |
+| [firebase_analytics][analytics_pub] | ![pub package][analytics_badge] | [Firebase Analytics][analytics_product] | [`firebase_analytics`][analytics_code] | |
+| [firebase_auth][auth_pub] | ![pub package][auth_badge] | [Firebase Authentication][auth_product] | [`firebase_auth`][auth_code] | <img src="https://user-images.githubusercontent.com/394889/70172910-9174c880-1686-11ea-8e2e-3d8c1cc78cce.png" alt="hummingbird" width="25"> |
+| [firebase_core][core_pub] | ![pub package][core_badge] | [Firebase Core][core_product] | [`firebase_core`][core_code] | <img src="https://user-images.githubusercontent.com/394889/70172910-9174c880-1686-11ea-8e2e-3d8c1cc78cce.png" alt="hummingbird" width="25"> |
+| [firebase_crashlytics][crash_pub] | ![pub package][crash_badge] | [Firebase Crashlytics][crash_product] | [`firebase_crashlytics`][crash_code] | |
+| [firebase_database][database_pub] | ![pub package][database_badge] | [Firebase Realtime Database][database_product] | [`firebase_database`][database_code] | |
+| [firebase_dynamic_links][dynamic_links_pub] | ![pub package][dynamic_links_badge] | [Firebase Dynamic Links][dynamic_links_product] | [`firebase_dynamic_links`][dynamic_links_code] | |
+| [firebase_in_app_messaging][in_app_messaging_pub] | ![pub package][in_app_messaging_badge] | [Firebase In-App Messaging][in_app_messaging_product] | [`firebase_in_app_messaging`][in_app_messaging_code] | |
+| [firebase_messaging][messaging_pub] | ![pub package][messaging_badge] | [Firebase Cloud Messaging][messaging_product] | [`firebase_messaging`][messaging_code] | |
+| [firebase_ml_vision][ml_vision_pub] | ![pub package][ml_vision_badge] | [Firebase ML Kit][ml_vision_product] | [`firebase_ml_vision`][ml_vision_code] | |
+| [firebase_performance][performance_pub] | ![pub package][performance_badge] | [Firebase Performance Monitoring][performance_product] | [`firebase_performance`][performance_code] | |
+| [firebase_remote_config][remote_config_pub] | ![pub package][remote_config_badge] | [Firebase Remote Config][remote_config_product] | [`firebase_remote_config`][remote_config_code] | |
+| [firebase_storage][storage_pub] | ![pub package][storage_badge] | [Firebase Cloud Storage][storage_product] | [`firebase_storage`][storage_code] | |
 
 [admob_pub]: https://pub.dartlang.org/packages/firebase_admob
 [admob_product]: https://firebase.google.com/docs/admob/
@@ -107,9 +107,9 @@ that enable Flutter apps to use one or more [Firebase](https://firebase.google.c
 
 ## Issues
 
-Please file Flutterfire specific issues, bugs, or feature requests in our [issue tracker](https://github.com/FirebaseExtended/flutterfire/issues/new).
+Please file FlutterFire specific issues, bugs, or feature requests in our [issue tracker](https://github.com/FirebaseExtended/flutterfire/issues/new).
 
-Plugin issues that are not specific to Flutterfire can be filed in the [Flutter issue tracker](https://github.com/flutter/flutter/issues/new).
+Plugin issues that are not specific to FlutterFire can be filed in the [Flutter issue tracker](https://github.com/flutter/flutter/issues/new).
 
 ## Contributing