Update readme

README.md

@@ -2,6 +2,15 @@
 
 Websocket client for [Centrifugo server](https://github.com/centrifugal/centrifugo) and [Centrifuge library](https://github.com/centrifugal/centrifuge) based on [ws library](https://pub.dev/packages/ws).
 
+## Installation
+
+Add the following dependency to your `pubspec.yaml` file:
+
+```yaml
+dependencies:
+  centrifuge_dart: <version>
+```
+
 ## How to regenerate protobuf files
 
 Windows:
@@ -34,3 +43,73 @@ $ dart pub global activate protoc_plugin
 $ protoc --proto_path=lib/src/model/protobuf --dart_out=lib/src/model/protobuf lib/src/model/protobuf/client.proto
 $ dart format -l 80 lib/src/model/protobuf/
 ```
+
+## Features and Roadmap
+
+Connection related features
+
+- ✅ Connect to a server
+- ❌ Setting client options
+- ❌ Automatic reconnect with backoff algorithm
+- ❌ Client state changes
+- ❌ Command-reply
+- ❌ Command timeouts
+- ❌ Async pushes
+- ❌ Ping-pong
+- ❌ Connection token refresh
+- ❌ Handle disconnect advice from the server
+- ❌ Server-side subscriptions
+- ❌ Batching API
+- ❌ Bidirectional WebSocket emulation
+
+### Client-side subscription related features
+
+- ❌ Subscribe to a channel
+- ❌ Setting subscription options
+- ❌ Automatic resubscribe with backoff algorithm
+- ❌ Subscription state changes
+- ❌ Subscription command-reply
+- ❌ Subscription async pushes
+- ❌ Subscription token refresh
+- ❌ Handle unsubscribe advice from the server
+- ❌ Manage subscription registry
+- ❌ Optimistic subscriptions
+
+## More resources
+
+- [Library documentation](https://pub.dev/documentation/centrifuge_dart/latest/)
+- [RFC 6455: The WebSocket Protocol](https://tools.ietf.org/html/rfc6455)
+- [WebSocket API on MDN](https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API)
+- [Dart HTML WebSocket library](https://api.dart.dev/stable/dart-html/WebSocket-class.html)
+- [Dart IO WebSocket library](https://api.dart.dev/stable/dart-io/WebSocket-class.html)
+- [Centrifugo site](https://centrifugal.dev/)
+- [Client SDK API](https://centrifugal.dev/docs/transports/client_api)
+- [Client real-time SDKs](https://centrifugal.dev/docs/transports/client_sdk)
+- [Client protocol](https://centrifugal.dev/docs/transports/client_protocol)
+- [Protocol Buffers](https://protobuf.dev/)
+
+## Coverage
+
+[![](https://codecov.io/gh/PlugFox/centrifuge-dart/branch/master/graphs/sunburst.svg)](https://codecov.io/gh/PlugFox/centrifuge-dart/branch/master)
+
+## Changelog
+
+Refer to the [Changelog](https://github.com/PlugFox/centrifuge-dart/blob/master/CHANGELOG.md) to get all release notes.
+
+## Maintainers
+
+- [Matiunin Mikhail aka Plague Fox](https://plugfox.dev)
+
+## Funding
+
+If you want to support the development of our library, there are several ways you can do it:
+
+- [Buy me a coffee](https://www.buymeacoffee.com/plugfox)
+- [Support on Patreon](https://www.patreon.com/plugfox)
+- [Subscribe through Boosty](https://boosty.to/plugfox)
+
+We appreciate any form of support, whether it's a financial donation or just a star on GitHub. It helps us to continue developing and improving our library. Thank you for your support!
+
+## License
+
+[MIT](https://opensource.org/licenses/MIT)