Move condensedTypes to shared/

This decouples the rest of the server from the client

shared/irc.ts

@@ -4,3 +4,15 @@ const matchFormatting =
 export function cleanIrcMessage(message: string) {
 	return message.replace(matchFormatting, "").trim();
 }
+
+export const condensedTypes = new Set([
+	"away",
+	"back",
+	"chghost",
+	"join",
+	"kick",
+	"mode",
+	"nick",
+	"part",
+	"quit",
+]);