Added more badges to README, and updated full docs URL

README.md

@@ -2,12 +2,22 @@
 
 <p align="center">
   <img src="https://github.com/AgoraIO/AgoraRtcEngine_iOS/actions/workflows/swiftpm-resolve.yml/badge.svg"/>
+  <a href="http://agoraio.github.io/AgoraRtcEngine_iOS/documentation/agorartckit/">
+    <img src="https://img.shields.io/badge/API%20Reference-View-F05138?logo=swift"/>
+  </a>
+  <br/>
+  <a href="https://swiftpackageindex.com/AgoraIO/AgoraRtcEngine_iOS" style="text-decoration: none;">
+    <img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2FAgoraIO%2FAgoraRtcEngine_iOS%2Fbadge%3Ftype%3Dplatforms"/>
+  </a>
+  <a href="https://swiftpackageindex.com/AgoraIO/AgoraRtcEngine_iOS">
+    <img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2FAgoraIO%2FAgoraRtcEngine_iOS%2Fbadge%3Ftype%3Dswift-versions"/>
+  </a>
 </p>
 Install Agora Video SDK easily with Swift Package Manager.
 
 ![](media/swiftpm-agora.png)
 
-[Click here for full documentation](https://docs.agora.io/en/Video/landing-page?platform=iOS).
+[Click here for full documentation](https://docs.agora.io/en/video-calling/overview/product-overview?platform=ios).
 
 ## Installation