Update docs links in README

[shivaylamba]

Pull Request

Related issue

Fixes #301

What does this PR do?

• Fixes docs links after Meilisearch docs migration

PR checklist

Please check if your PR fulfills the following requirements:

• [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
• [x] Have you read the contributing guidelines?
• [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!

[shivaylamba]

I have resolved the issue @bidoubiwa

[bidoubiwa]

✨ LGTM ✨

[meili-bors[bot]]

Build succeeded:

• linter-check
• Tests (Node.js 14)
• Tests (Node.js 16)