Update README

Author: lexonegit

README.md

@@ -58,6 +58,8 @@ Spawn chatters as jumping boxes. Box color is based on their primary badge.
 - **IRC.Connect()** -> Connects to Twitch IRC
 - **IRC.Disconnect()** - Disconnects from Twitch IRC
 - **IRC.SendChatMessage(string message)** -> Sends a chat message to the channel
+- **IRC.JoinChannel(string channel)** -> Join a Twitch channel
+- **IRC.LeaveChannel(string channel)** -> Leave a Twitch channel
 - **IRC.Ping()** -> Sends a PING message to the Twitch IRC server
 - **IRC.OnMessageReceived** -> Event that is invoked when a chat message is received
 - **IRC.OnConnectionAlert** -> Event that is invoked when a connection alert is received
@@ -76,4 +78,4 @@ Spawn chatters as jumping boxes. Box color is based on their primary badge.
 
 Intro Fighters, stream overlay game https://lexone.itch.io/introfighters
 
-*Did you make something cool? Contact me (Lexone#3407) to get featured here!*
+*Did you make something cool? Contact me (Lexone#3407) to get featured here!*