Install Executable Design Specifications for DeepSeek Harness with dsh-design-skills

`dsh-design-skills` is a DeepSeek Harness design aesthetics skill package maintained by zhaiyateng, categorized under "Interface Enhancement". It writes various web styles into `SKILL.md` containing tokens, component rules, disable lists and acceptance lists, and registers it via `ctx.skills provider` (rank 600). The directory installation command is: `dsh plugin add github:zhaiyateng/dsh-design-skills`. The LICENSE is MIT, version 0.1.0; currently there are ten styles in the README and skills directory, while the catalog page introduction still mentions six styles.