vectorstores: add vearch vectorstore

[zhanghexian]

PR Checklist

• [✅ ] Read the Contributing documentation.
• [✅ ] Read the Code of conduct documentation.
• [ ✅] Name your Pull Request title clearly, concisely, and prefixed with the name of the primarily affected package you changed according to Good commit messages (such as memory: add interfaces for X, Y or util: add whizzbang helpers).
• [ ✅] Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• [✅ ] Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. Fixes #123).
• [ ✅] Describes the source of new concepts.
• [✅ ] References existing implementations as appropriate.
• [ ✅] Contains test coverage for new functions.
• [✅ ] Passes all golangci-lint checks.

[wxingda]

@tmc Are there any issues with merging this PR?

[zhanghexian]

我已收到,谢谢!张和先.

[tmc]

No, I’m just a bit behind on maintenance, been quite busy. I’ll get this in later today.

On Wed, Aug 28, 2024 at 3:33 AM zhanghexian @.***> wrote:

我已收到,谢谢!张和先.

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