Merge pull request #10 from kasuken/copilot/review-advanced-patch-length

Reduce advanced chapter lengths from 12-22min to 10min to match novice path style

Merge pull request #9 from LuiseFreese/integrate-copilot-chapters

Integrate copilot chapters

Merge pull request #8 from kasuken/copilot/optimize-pages-for-seo

[WIP] Optimize all lesson pages for SEO