feat:add email send functionality

frontend/package.json

@@ -25,6 +25,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "file-saver": "^2.0.5",
     "lucide-react": "^0.577.0",
     "radix-ui": "^1.4.3",
     "react": "^19.2.0",
@@ -34,7 +35,8 @@
     "tailwind-merge": "^3.5.0",
     "tailwindcss": "^4.2.1",
     "tailwindcss-animate": "^1.0.7",
-    "tw-animate-css": "^1.4.0"
+    "tw-animate-css": "^1.4.0",
+    "xlsx": "^0.18.5"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.1",