Support Gemini Text Embeddings API

[tonycky]

Self Checks

• [x] I have searched for existing issues search for existing issues, including closed ones.
• [x] I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
• [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
• [x] Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Gemini also provides text embeddings API. Right now Dify only supports Gemini LLM. Please refer to https://ai.google.dev/gemini-api/docs/embeddings.

2. Additional context or comments

No response

3. Can you help us with this feature?

• [ ] I am interested in contributing to this feature.

[zqcing678]

We need King of Embedded Models

[dosubot[bot]]

Hi, @tonycky. I'm Dosu, and I'm helping the Dify team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• Request to add support for Gemini Text Embeddings API.
• Currently, Dify only supports the Gemini LLM.
• @tonycky provided a link to the Gemini API documentation.
• @zqcing678 commented with an image, suggesting a need for a leading embedded model, but did not address the original request.

Next Steps:

• Please confirm if this issue is still relevant to the latest version of Dify by commenting here.
• If there is no further activity, this issue will be automatically closed in 15 days.

Thank you for your understanding and contribution!