import ods/xls en + de csv

fix modal behavior on close, fine tune import file modal

package.json

@@ -22,6 +22,7 @@
     "@radix-ui/react-tabs": "^1.1.13",
     "@supabase/supabase-js": "^2.56.0",
     "@types/nodemailer": "^7.0.1",
+    "@types/xlsx": "^0.0.35",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.541.0",
@@ -29,7 +30,8 @@
     "nodemailer": "^7.0.5",
     "react": "19.1.0",
     "react-dom": "19.1.0",
-    "tailwind-merge": "^3.3.1"
+    "tailwind-merge": "^3.3.1",
+    "xlsx": "^0.18.5"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",