docs: update README for 3.0.0-rc.0 release

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Change Log
 
+## [v3.0.0-rc.0]
+
+- feat(usePresence): add `subscribeOnly` [\#41](https://github.com/ably-labs/react-hooks/pull/41)
+- feat!: add `<AblyProvider>` and `useAbly` [\#57](https://github.com/ably-labs/react-hooks/pull/57)
+- feat: add `useChannelStateListener` and `useConnectionStateListener` [\#65](https://github.com/ably-labs/react-hooks/pull/65)
+- fix: `useChannel` hook with `ChannelOptions` throws error [\#66](https://github.com/ably-labs/react-hooks/pull/66)
+- feat!: channel/connection error handling APIs [\#71](https://github.com/ably-labs/react-hooks/pull/71)
+- feat!: add React 16.8+ support for the library [\#75](https://github.com/ably-labs/react-hooks/pull/75)
+- feat: skip param for usePresence and useChannel [\#81](https://github.com/ably-labs/react-hooks/pull/81)
+- feat: allow useChannel without message callback [\#85](https://github.com/ably-labs/react-hooks/pull/85)
+- make ably-js a peerDependency [\#86](https://github.com/ably-labs/react-hooks/pull/86)
+
 ## [v2.1.1](https://github.com/ably-labs/react-hooks/tree/v2.1.1)
 
 [Full Changelog](https://github.com/ably-labs/react-hooks/compare/934c32cb9af7e0b0aa4732c373294c632423f584...v2.1.1)