update README.md

Author: rainliu

README.md

@@ -1 +1,21 @@
-# rtcp
+<h1 align="center">
+ <a href="https://webrtc.rs"><img src="https://github.com/webrtc-rs/webrtc/doc/webrtc.rs.png" alt="WebRTC.rs"></a>
+ <br>
+</h1>
+<p align="center">
+ <a href="https://github.com/webrtc-rs/rtcp/actions"> 
+  <img src="https://github.com/webrtc-rs/rtcp/workflows/Cargo/badge.svg">
+ </a> 
+ <a href="https://codecov.io/gh/webrtc-rs/rtcp"> 
+  <img src="https://codecov.io/gh/webrtc-rs/rtcp/branch/main/graph/badge.svg">
+ </a>
+ <a href="https://deps.rs/repo/github/webrtc-rs/rtcp"> 
+  <img src="https://deps.rs/repo/github/webrtc-rs/rtcp/status.svg">
+ </a>
+ <a href="https://github.com/webrtc-rs/rtcp/blob/master/LICENSE">
+  <img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="License: MIT">
+ </a>
+</p>
+<p align="center">
+ A pure Rust implementation of RTCP. Rewrite Pion RTCP (<a href="http://Pion.ly">http://Pion.ly</a>) in Rust
+</p>