Add skills

[BorysShulyak]

• https://skills.sh/thebushidocollective/han/storybook-story-writing
• https://skills.sh/sickn33/antigravity-awesome-skills/clean-code
• https://skills.sh/anthropics/skills/skill-creator
• https://skills.sh/obra/superpowers/brainstorming
• https://skills.sh/softaworks/agent-toolkit/mermaid-diagrams
• https://skills.sh/softaworks/agent-toolkit/commit-work
• https://skills.sh/softaworks/agent-toolkit/crafting-effective-readmes
• https://skills.sh/softaworks/agent-toolkit/c4-architecture
• https://skills.sh/antfu/skills/vitest