fix: rebrand from original author, fix UX issues, clean up stale docs

Add GitHub Actions deploy workflow and update repo URLs

chore: temporarily remove workflow (token lacks workflow scope)

feat: arena-style static site + GitHub Pages deployment

feat: final cleanup — remove Accenture-era files, update course-structure.json

feat: integrate new 23-module course into React platform

feat: write all 4 Level 3 The 10x PM capstone modules

feat: write all 8 Level 1 Copilot-as-Teammate modules

feat: de-Accenture all content — replace with NovaTech Solutions context

feat: write all 5 Level 2 Strategic PM modules

feat: write all 6 Level 0 PM Fundamentals modules

feat: rebrand theme to blue, update all configs and documentation

feat: fork copilot-pm-course as generic version