dsh-plugin-sync: Sync DeepSeek Harness plugin manifest to GitHub Gist

dsh-plugin-sync is an MIT-licensed DSH plugin maintained by AngLi1997, designed to address the challenges of cross-environment migration caused by scattered plugin states. By synchronizing plugin manifests via GitHub Gist, this tool packages and exports `package.json` dependencies from the profile, `dsh.profile.bundles`, and `cordis.patch.yml`, then automatically imports them into the target environment to execute `pnpm install` and complete deployment. Its core features include convenient login via GitHub OAuth Device Flow (requiring only gist permissions), automatic creation of private Gists, and a prompt to restart Harness after import to apply changes. Users can use the `dsh plugin` command...