feat: support rsc

[yimingjfe]

Summary

This PR is for supporting RSC in Modern.js, and currently supports SSR + RSC, CSR + RSC, and server action, and a new configuration server.rsc has been added for the project to enable RSC capability.

It includes three parts of changes:

1. Compilation

• the bundler plugin and loader, the rsbuild plugin and the swc plugin needed to build the RSC, which are located in @modern-js/uni-builder.
• Modifications to Entry, the entry of the RSC project is slightly different from the previous project, and this part of the code is mainly in @modern-js/runtime.

2. Runtime, mainly for the SDK required for RSC rendering, which is mainly in @modern-js/render and it only supports React19 now.

3. Server, mainly for injecting the RSC manifests into the runtime and handle the req of RSC, which is in @modenr-js/server-core.

The current implementation of the compilation section only supports webpack and will support rspack in the next release.

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Checklist

• I have added changeset via pnpm run change.
• I have updated the documentation.
• I have added tests to cover my changes.

[changeset-bot]

⚠️ No Changeset found

Latest commit: af0f431

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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