update doc

README.md

@@ -103,7 +103,7 @@ A. The message occurs when you use PeerJS with Webpack. It is not critical! It r
 
 ### [PeerServer](https://github.com/peers/peerjs-server)
 
-### [Discuss PeerJS on our Google Group](https://groups.google.com/forum/?fromgroups#!forum/peerjs)
+### [Discuss PeerJS on our Telegram Channel](https://t.me/joinchat/ENhPuhTvhm8WlIxTjQf7Og)
 
 ### [Changelog](https://github.com/peers/peerjs/blob/master/changelog.md)
 

docs/index.html

@@ -190,7 +190,7 @@ var peer = new Peer({
 
     <h3>More questions?</h3>
     <p>
-      <a href="https://groups.google.com/forum/?fromgroups#!forum/peerjs">Discuss PeerJS on our Google Group.</a>
+      <a href="https://t.me/joinchat/ENhPuhTvhm8WlIxTjQf7Og">Discuss PeerJS on our Telegram channel.</a>
       <br>
       <br>
     </p>

docs/readme.md

@@ -3,4 +3,4 @@
 We've moved! <a href="https://peerjs.com/docs">Check out our new
 documentation.</a>
 
-### [Discuss PeerJS on our Google Group](https://groups.google.com/forum/?fromgroups#!forum/peerjs)
+### [Discuss PeerJS on our Telegram Channel](https://t.me/joinchat/ENhPuhTvhm8WlIxTjQf7Og)

docs/template.html

@@ -189,7 +189,7 @@ var peer = new Peer({
 
     <h3>More questions?</h3>
     <p>
-      <a href="https://groups.google.com/forum/?fromgroups#!forum/peerjs">Discuss PeerJS on our Google Group.</a>
+      <a href="https://t.me/joinchat/ENhPuhTvhm8WlIxTjQf7Og">Discuss PeerJS on our Telegram channel.</a>
       <br>
       <br>
     </p>