idz: Implement team leadership transfer

src/idz/decoder/updateTeamLeader.ts

@@ -0,0 +1,17 @@
+import { RequestCode } from "./_defs";
+import { ExtId } from "../model/base";
+import { Team } from "../model/team";
+import { UpdateTeamLeaderRequest } from "../request/updateTeamLeader";
+import { AimeId } from "../../model";
+
+updateTeamLeader.msgCode = 0x008a as RequestCode;
+updateTeamLeader.msgLen = 0x0020;
+
+export function updateTeamLeader(buf: Buffer): UpdateTeamLeaderRequest {
+  return {
+    type: "update_team_leader_req",
+    aimeId: buf.readUInt32LE(0x0004) as AimeId,
+    teamExtId: buf.readUInt32LE(0x0008) as ExtId<Team>,
+    field_000C: buf.slice(0x000c, buf.indexOf("\0", 0x000c)).toString("ascii"),
+  };
+}