🚀 Update documentation for Vitest testing with Miniflare 3

[extravio]

Describe the solution

Following the release of this feature Implement Vitest testing environment for Miniflare 3, could you please update the documentation:

• https://legacy.miniflare.dev/testing/vitest
• https://developers.cloudflare.com/workers/wrangler/api/#unstable_dev

and provide a working example of unit testing with Miniflare 3 and vitest?

[mrbbot]

Hey! 👋 Although that PR has now been merged, the @cloudflare/vitest-pool-workers package hasn't been released yet. We're currently ironing a few final issues and writing documentation, then we should be able to release version 0.1.0. 👍

[vladinator1000]

Hi y'all, I recently ported my Miniflare 2 project to Miniflare 3. It has a useful integration test setup that works for database testing with Prisma. If anyone is into that, I distilled my learnings in this example: https://github.com/vladinator1000/prisma-vitest-miniflare

[admah]

The documentation @mrbbot mentioned is being worked on here: cloudflare/cloudflare-docs#13092

[admah]

I'm going to close this out as we have new documentation at: https://developers.cloudflare.com/workers/testing/vitest-integration/