Add supabase functionality test

This commit adds a test to verify that Supabase is functioning correctly.

package.json

@@ -45,6 +45,7 @@
     "@radix-ui/react-tooltip": "^1.1.4",
     "@supabase/supabase-js": "^2.49.1",
     "@tanstack/react-query": "^5.56.2",
+    "@types/react-helmet": "^6.1.11",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.0.0",
@@ -56,6 +57,7 @@
     "react": "^18.3.1",
     "react-day-picker": "^8.10.1",
     "react-dom": "^18.3.1",
+    "react-helmet": "^6.1.0",
     "react-hook-form": "^7.53.0",
     "react-resizable-panels": "^2.1.3",
     "react-router-dom": "^6.26.2",