catalog-capabilities-zh: Maintain a source-based Chinese capabilities catalog for DSH

catalog-capabilities-zh is an MIT-licensed community project maintained by MeowTnT3r. Acting as a DSH bundle plugin and runtime skill, it maintains a source-based Chinese capabilities catalog for skills, plugins, and marketplace capabilities. It follows the "everything is a plugin" philosophy, addressing the pain points of scattered DSH user plugins, predominantly English READMEs, and difficulty in finding them. Its core feature is a default curated mode where only user-confirmed entries are written to the documentation; scanning serves only as a discovery aid, and explicit full inclusion requires the `--all` or `full` mode. It does not rewrite installation logic; instead, it orchestrates existing trusted installers in the environment during installation. If the target is already installed, it only verifies update instructions. When only providing a link, it reads public repository metadata for checks and introduction without executing the repository code. Entries support sorting by Chinese...