Add dayjs

package.json

@@ -18,6 +18,7 @@
     "@remix-run/react": "^2.12.0",
     "@sentry/react": "^8.30.0",
     "aws4fetch": "^1.0.20",
+    "dayjs": "^1.11.13",
     "framer-motion": "^11.5.4",
     "react": "^18.3.1",
     "react-big-calendar": "^1.14.1",
@@ -27,6 +28,7 @@
     "@remix-run/dev": "^2.12.0",
     "@types/node": "^22.5.5",
     "@types/react": "^18.3.6",
+    "@types/react-big-calendar": "^1.8.11",
     "@types/react-dom": "^18.3.0",
     "dotenv": "^16.4.5",
     "prettier": "^3.3.3",