* Docs: fix broken /plugins links to /plugin
The documentation linked to /plugins which doesn't exist.
The correct path is /plugin (singular) which contains the
plugins overview documentation.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* docs: drop manual zh-CN doc edits from plugins link fix
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Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: Sebastian <19554889+sebslight@users.noreply.github.com>