[Request] Support Bing Search API

[BrandonStudio]

🥰 需求描述 | Feature Description

Support Bing Search API

🧐 解决方案 | Proposed Solution

Add Bing Search API as an alternative to Searper

📝 补充信息 | Additional Information

Bing Search API provides 1000 free requests per month
refs:

• https://www.microsoft.com/bing/apis/bing-web-search-api
• https://www.microsoft.com/bing/apis/pricing

Options:

1. Add Bing Search API support directly in this repo
2. Add another Bing Search plugin

[lobehubbot]

👀 @BrandonStudio
Thank you for raising an issue. We will investigate into the matter and get back to you as soon as possible.
Please make sure you have given us as much context as possible.
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