how to support vison model qwen-vl

[gaspire]

qwen-vl model need message below: [ { "role": "system", "content": [{"type": "text", "text": "You are a helpful assistant."}], }, { "role": "user", "content": [ { "type": "image_url", "image_url": { "url": "http://*****/1741316134210.jpg" }, }, {"type": "text", "text": "tell me about pic content"}, ], }, ],