add: 添加命令ai model list的逻辑

maubot_llmplus/plugin.py

@@ -0,0 +1,16 @@
+from maubot import Plugin
+
+
+class AbsExtraConfigPlugin(Plugin):
+    default_username: str
+    user_id: str
+
+    async def start(self) -> None:
+        await super().start()
+        self.default_username = await self.client.get_displayname(self.client.mxid)
+        self.user_id = self.client.parse_user_id(self.client.mxid)[0]
+
+    def get_bot_name(self) -> str:
+        return self.config['name'] or \
+            self.default_username or \
+            self.user_id