docs: enhance parameter descriptions of api.transform

[chenjiahan]

Summary

Clarify the relationship between the api.transform parameters and the corresponding Rspack loader APIs by adding explicit references to the relevant API documentation.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR enhances the api.transform parameter docs by explicitly linking the resource, resourcePath, and resourceQuery descriptions to their corresponding Rspack loader API entries.

• Added loader API links for resource, resourcePath, and resourceQuery in both Chinese and English docs.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
website/docs/zh/plugins/dev/core.mdx	Updated bullets for context, resource, resourcePath, resourceQuery to reference Rspack loader API
website/docs/en/plugins/dev/core.mdx	Added “The same as Rspack loader’s…” links for resource, resourcePath, resourceQuery