Add maoruibin/siyuan-inbox-sync

[maoruibin]

新增插件

• owner/repo: maoruibin/siyuan-inbox-sync
• displayName: inBox Sync / inBox 同步
• description: 把 inBox 云端笔记（WebDAV/S3）单向同步到思源笔记

Release

• v0.1.0: https://github.com/maoruibin/siyuan-inbox-sync/releases/tag/v0.1.0
• package.zip: https://github.com/maoruibin/siyuan-inbox-sync/releases/download/v0.1.0/package.zip

已自检

• plugin.json 必填字段齐全（name/author/url/version/minAppVersion/backends/frontends/displayName/description/readme/icon）
• icon.png 160×160 / preview.png 1024×768
• package.zip 内含 index.js / plugin.json / i18n/ / icon.png / preview.png / README.md / LICENSE
• 仓库公开可访问
• Release v0.1.0 已发布，package.zip 作为 asset 可下载

[github-actions]

拉取请求自动化检查 / Pull Request Automated Check

新增插件仓库 / Add Plugin Repo

maoruibin/siyuan-inbox-sync

最新 Release / Latest Release: v0.1.0

检测到以下问题，请在修复之后重新打包 package.zip 发布新的 Release，并将 Release 标记为 Latest。

We found the following issues. Please fix them, rebuild package.zip, publish a new Release, and mark that Release as Latest.

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[01]

plugin.json 中出现了预期外的字段 i18n。请删除该字段（保留未知字段会妨碍思源日后扩展同名字段）。若确有自定义需求，请先在思源仓库提 issue 讨论。

plugin.json has an unexpected field i18n. Please delete it — keeping unknown fields would block SiYuan from adding the same field later. If you really need something custom, please open an issue in the SiYuan repository first so we can discuss it.

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[02]

plugin.json 中出现了预期外的字段 icon。请删除该字段（保留未知字段会妨碍思源日后扩展同名字段）。若确有自定义需求，请先在思源仓库提 issue 讨论。

plugin.json has an unexpected field icon. Please delete it — keeping unknown fields would block SiYuan from adding the same field later. If you really need something custom, please open an issue in the SiYuan repository first so we can discuss it.

---

[github-actions]

本拉取请求打开已超过 30 天，且仍带有 ci-failed 标签，因此由机器人自动关闭。

This pull request has been open for more than 30 days and still has the ci-failed label, so it is being closed automatically by the bot.

请先根据检查评论修复问题，然后打开一个新的拉取请求。

Please fix the issues from the check comments first, then open a new pull request.

_{若维护者需要保留本 PR 不被自动关闭，请打上 ci-skip 标签。
If maintainers need to keep this PR open without auto-close, please add the ci-skip label.}