refactor!: remove react dependency for UI interactions (#457)

Remove react as a dependency for UI interactions.
Update jsx components such as Search and Datetime
with astro components.

package.json

@@ -12,18 +12,13 @@
     "lint": "eslint ."
   },
   "dependencies": {
-    "@astrojs/react": "^4.2.0",
     "@astrojs/rss": "^4.0.11",
     "@astrojs/sitemap": "^3.2.1",
     "@resvg/resvg-js": "^2.6.2",
     "@tailwindcss/vite": "^4.0.8",
-    "@types/react": "^19.0.10",
-    "@types/react-dom": "^19.0.4",
     "astro": "^5.3.1",
     "fuse.js": "^7.1.0",
     "lodash.kebabcase": "^4.1.1",
-    "react": "^19.0.0",
-    "react-dom": "^19.0.0",
     "remark-collapse": "^0.1.2",
     "remark-toc": "^9.0.0",
     "satori": "^0.12.1",