feat: add donation support with footer card and navigation

Add donation functionality to encourage community support, including a footer card on the home page, a highlighted "Apoiar" link in the header, and comprehensive English messages for the donation section to promote transparency and user engagement.

package.json

@@ -29,6 +29,7 @@
     "next-themes": "^0.4.6",
     "react": "19.1.0",
     "react-dom": "19.1.0",
+    "react-qr-code": "^2.0.18",
     "recharts": "^3.3.0",
     "tailwind-merge": "^3.3.1"
   },