Rename static/shared/js/vendor/ to static/shared/js/lib/ to avoid
confusion with the app's "vendor" (seller) dashboard code in
static/vendor/js/.
- Rename directory: vendor/ → lib/
- Update all template references to use new path
- Update CDN fallback documentation
- Fix .gitignore to use /lib/ (root only) instead of lib/ (everywhere)
Third-party libraries:
- alpine.min.js
- chart.umd.min.js
- flatpickr.min.js
- quill.js
- tom-select.complete.min.js
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>