feat: Add npm dependencies and update vendor paths

- Add package.json dependencies: jquery, jquery-ui, moment, daterangepicker, wavesurfer.js, air-datepicker
- Create scripts/setup-vendor.js to copy npm packages to public/assets/vendor
- Update view templates to use vendor paths instead of old /js/ or CDN URLs
- Clean up legacy commented-out scripts in master layout

fix-permissions

@@ -0,0 +1,14 @@
+
+# Set ownership
+chown -R www-data:www-data .
+
+# Normal permissions
+find . -type d -exec chmod 775 {} \;
+find . -type f -exec chmod 664 {} \;
+
+# Laravel writable directories
+find storage bootstrap/cache -type d -exec chmod 775 {} \;
+find storage bootstrap/cache -type f -exec chmod 664 {} \;
+
+# Laravel CLI
+chmod 755 artisan