Add nimMulticast (#79)

Author: PrasannaVenkadesh

README.md

@@ -74,6 +74,7 @@
     - [QUIC](#quic)
     - [Websockets](#websockets)
     - [Messaging](#messaging)
+    - [Multicast](#multicast)
   - [HTML Parsers](#html-parsers)
   - [HTTP Servers](#http-servers)
   - [Gemini Servers](#gemini-servers)
@@ -593,6 +594,11 @@ Nim provides unique features for seamless and transparent interoperability with
 - [status](https://github.com/status-im/nim-status) - Nim implementation of the Status protocol.
 
 
+#### Multicast
+
+- [nimMulticast](https://github.com/enthus1ast/nimMulticast) - UDP Multicast made simple. 
+
+
 ### HTML Parsers
 
 - [Nimquery](https://github.com/GULPF/nimquery) - Library for querying HTML using CSS selectors, like JavaScript's `document.querySelector`.