eisland-dev-update-docs

Update or create documentation in the eIsland VuePress docs site (web/eisland-web-docs). Use this skill whenever the user asks to update docs, add documentation, write a doc article, document a feature, update the tech stack docs, update plugin docs, update command docs, or any task involving files under web/eisland-web-docs/src/. This skill ensures all documentation follows the project's CLAUDE.md constraints, uses…