Clarify that the online count is a chat

Some people were confused if the extension was tracking them, even though it's just a discord chat badge

Author: WebFreak001

README.md

@@ -1,4 +1,6 @@
-# Code-D [![Join on Discord](https://discordapp.com/api/guilds/242094594181955585/widget.png?style=shield)](https://discord.gg/Bstj9bx)
+# Code-D
+
+Join the chat: [![Join on Discord](https://discordapp.com/api/guilds/242094594181955585/widget.png?style=shield)](https://discord.gg/Bstj9bx)
 
 Adds D language support for visual studio code.