chore: 核心缓存位置设计完成

src/onebot/api/friend.ts

@@ -4,6 +4,7 @@ import { NapCatOneBot11Adapter } from "../main";
 export class OneBotFriendApi {
     obContext: NapCatOneBot11Adapter;
     coreContext: NapCatCore;
+    friendList: Map<string, any> = new Map();//此处作为缓存 uin->info
     constructor(obContext: NapCatOneBot11Adapter, coreContext: NapCatCore) {
         this.obContext = obContext;
         this.coreContext = coreContext;