Added the possibility to upload a file containing users to a group

package.json

@@ -39,6 +39,7 @@
     "primereact": "^9.2.3",
     "react": "18.2.0",
     "react-chartjs-2": "^5.2.0",
+    "react-datepicker": "^4.18.0",
     "react-dom": "18.2.0",
     "react-firebase-hooks": "^5.1.1",
     "react-icons": "^4.8.0",
@@ -54,6 +55,7 @@
     "swr": "^2.1.3",
     "tailwind-scrollbar-hide": "^1.1.7",
     "typescript": "4.9.5",
+    "use-file-picker": "^2.1.0",
     "uuid": "^9.0.0",
     "wavesurfer.js": "^6.6.4",
     "zustand": "^4.3.6"
@@ -61,6 +63,7 @@
   "devDependencies": {
     "@types/formidable": "^3.4.0",
     "@types/lodash": "^4.14.191",
+    "@types/react-datepicker": "^4.15.1",
     "@types/uuid": "^9.0.1",
     "@types/wavesurfer.js": "^6.0.6",
     "@wixc3/react-board": "^2.2.0",