* Add Patterns.dev to React section
* fix: remove trailing slash from Patterns.dev URL
* Move Patterns.dev from React to general JavaScript section; remove duplicate from courses
Per review feedback:
- Patterns.dev covers React, Next.js, and vanilla JS, not just React
- Removed duplicate listing from courses/free-courses-en.md
- Moved entry from React subsection to the general JavaScript section
Co-Authored-By: Claude <noreply@anthropic.com>
* fix: reorder list items for alphabetical ordering
Swap Patterns.dev and Patterns For Large-Scale JavaScript to fix
remark-lint alphabetize-lists warning.
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Co-authored-by: Claude <noreply@anthropic.com>