feat: enhance web app with fuzzy search, syntax highlighting, and pagination

- Expand README with detailed Web App section (English)
- Improve SEO meta tags in index.html
- Add rehype-highlight for code syntax highlighting in skill details
- Implement fuzzy search with scoring (name > category > description)
- Add clear search button and result counter
- Implement Load More pagination (24 items initially) for 950+ skills
- Add rehype-highlight and highlight.js dependencies

Made-with: Cursor

web-app/package.json

@@ -13,11 +13,13 @@
     "clsx": "^2.1.1",
     "framer-motion": "^12.34.2",
     "github-markdown-css": "^5.9.0",
+    "highlight.js": "^11.11.1",
     "lucide-react": "^0.574.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-markdown": "^10.1.0",
     "react-router-dom": "^7.13.0",
+    "rehype-highlight": "^7.0.2",
     "tailwind-merge": "^3.5.0"
   },
   "devDependencies": {