Update README.md (#69)

Author: LVala

README.md

@@ -1,12 +1,18 @@
 # ExWebRTC
 
+[![Hex.pm](https://img.shields.io/hexpm/v/ex_webrtc.svg)](https://hex.pm/packages/ex_webrtc)
+[![API Docs](https://img.shields.io/badge/api-docs-yellow.svg?style=flat)](https://hexdocs.pm/ex_webrtc)
 [![CI](https://img.shields.io/github/actions/workflow/status/elixir-webrtc/ex_webrtc/ci.yml?logo=github&label=CI)](https://github.com/elixir-webrtc/ex_webrtc/actions/workflows/ci.yml)
 [![codecov](https://codecov.io/gh/elixir-webrtc/ex_webrtc/graph/badge.svg?token=PdnXfnnmNw)](https://codecov.io/gh/elixir-webrtc/ex_webrtc)
 
-Implementation of [the W3C WebRTC API](https://www.w3.org/TR/webrtc/) in Elixir.
+Implementation of the [W3C WebRTC API](https://www.w3.org/TR/webrtc/) in Elixir.
+
+See `examples` directory for usage examples.
 
 ## Installation
 
+Add `ex_webrtc` to dependencies in `mix.exs`
+
 ```elixir
 def deps do
   [