[Feature] Dall·E 插件的完整参数

[Ikaleio]

https://platform.openai.com/docs/api-reference/images/create

注意到 Dall·E 的 API 包括 style 参数，可以调整图片的风格（超现实/写实），目前没有传这个参数，导致无法让模型画出写实风格的图片。

同时模型的 quality 参数直接传进了 Prompt，我十分怀疑这是否有效，因为 API 中有单独的一个 quality 参数。

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Title: [Feature] Complete parameters of Dall·E plug-in

[Hk-Gosuto]

插件目前只公开了 prompt 和 size 两个参数
计划将 quality 和 style 也提供给模型调用

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

The plug-in currently only exposes two parameters: prompt and size
Plan to provide quality and style to model calls as well

[Ikaleio]

我已经做了一个简单的实现，参见 https://github.com/d0j1a1701/ChatGPT-Next-Web-LangChain/blob/main/app/api/langchain-tools/dalle_image_generator.ts ，但因为我还对代码做了其它改动，所以就不发 PR 了

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

I've made a simple implementation, see https://github.com/d0j1a1701/ChatGPT-Next-Web-LangChain/blob/main/app/api/langchain-tools/dalle_image_generator.ts, but since I'm still confused about the code Other changes have been made, so no PR will be issued.