- Swap gold-sponsor banner image to new one covering 360 / Kimi work / Cola Skill (README + README.en)
- Add Kimi work & Cola Skill gold-sponsor badges and names across README, README.en, SKILL.md, SPONSORS.md
- Add "Use Guizang PPT Skill elsewhere" channels table (360 claw / Cola Skill / Kimi work)
Co-authored-by: Cursor <cursoragent@cursor.com>
