add: 添加ollama调用AI chat逻辑

maubot_llmplus/local_paltform.py

@@ -25,9 +25,6 @@ class Ollama(Platform):
         endpoint = f"{self.url}/api/chat"
         req_body = {'model': self.model, 'messages': full_context, 'stream': False}
         headers = {'Content-Type': 'application/json'}
-        if self.api_key is not None:
-            headers['Authorization'] = self.api_key
-        plugin.log.debug(f"{json.dumps(req_body)}")
         async with self.http.post(endpoint, headers=headers, json=req_body) as response:
             # plugin.log.debug(f"响应内容：{response.status}, {await response.json()}")
             if response.status != 200:
@@ -36,8 +33,6 @@ class Ollama(Platform):
                     finish_reason=f"http status {response.status}",
                     model=None
                 )
-            text = await response.text()
-            plugin.log.debug(f"解析后的响应内容: {text}")
             response_json = await response.json()
             return ChatCompletion(
                 message=response_json['message'],