feat: implement email sending functionality via Resend service

package.json

@@ -33,7 +33,6 @@
     "@radix-ui/react-tabs": "^1.1.2",
     "@radix-ui/react-toast": "^1.1.5",
     "@radix-ui/react-tooltip": "^1.1.6",
-    "@tailwindcss/typography": "^0.5.15",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.0",
     "drizzle-orm": "^0.36.4",
@@ -56,8 +55,8 @@
     "@types/bun": "^1.1.14",
     "@types/next-pwa": "^5.6.9",
     "@types/node": "^20",
-    "@types/react": "^18",
-    "@types/react-dom": "^18",
+    "@types/react": "19.0.0",
+    "@types/react-dom": "19.0.0",
     "bun": "^1.1.39",
     "cloudflare": "^4.1.0",
     "dotenv": "^16.4.7",