Update the README.markdown with RFC7692

dota17 · dota17 · commit 3eeb3d235657 · 2020-07-22T16:47:48.000+08:00
diff --git a/README.markdown b/README.markdown
@@ -13,6 +13,7 @@ non-blocking event-driven model (similar to the
 Implemented WebSocket protocol versions are:
 
  * [RFC 6455](http://tools.ietf.org/html/rfc6455)
+ * [RFC 7692](http://tools.ietf.org/html/rfc7692)
 
 [Here](https://github.com/TooTallNate/Java-WebSocket/wiki/Drafts) some more details about protocol versions/drafts. 
 
