add constructor in config schema

src/config.ts

@@ -17,6 +17,7 @@ export interface ServerLike {
 
 @RegisterSchema({ description: 'SRVPro 服务器' })
 export class Server implements ServerLike {
+  constructor(config: Partial<Server>) {}
   @DefineSchema({ description: '服务器名称', required: true })
   name: string;
 
@@ -71,13 +72,18 @@ export interface MyPluginConfigLike {
 
 @RegisterSchema({ required: true })
 export class MyPluginConfig implements MyPluginConfigLike {
+  constructor(config: Partial<MyPluginConfig>) {}
   @DefineSchema({ description: '服务器列表命令名', default: 'serverlist' })
   listCommandName: string;
 
   @DefineSchema({ description: '房间列表命令名', default: 'roomlist' })
   roomCommandName: string;
 
-  @DefineSchema({ type: Server, required: true, description: 'SRVPro 服务器列表' })
+  @DefineSchema({
+    type: Server,
+    required: true,
+    description: 'SRVPro 服务器列表',
+  })
   servers: Server[];
 
   getServer(value: string) {