Add team creation stubs

src/idz/decoder/checkTeamName.ts

@@ -0,0 +1,9 @@
+import { RequestCode } from "./_defs";
+import { CheckTeamNameRequest } from "../request/checkTeamName";
+
+checkTeamName.msgCode = 0x00a2 as RequestCode;
+checkTeamName.msgLen = 0x0040;
+
+export function checkTeamName(buf: Buffer): CheckTeamNameRequest {
+  return { type: "check_team_name_req" };
+}