implement marker clusters

package.json

@@ -10,15 +10,18 @@
   },
   "dependencies": {
     "leaflet": "^1.9.4",
+    "leaflet.markercluster": "^1.5.3",
     "react": "^19",
     "react-datepicker": "^9.1.0",
     "react-dom": "^19",
     "react-leaflet": "^5.0.0",
+    "react-leaflet-cluster": "^4.0.0",
     "recharts": "^3.6.0"
   },
   "devDependencies": {
     "@types/bun": "latest",
     "@types/leaflet": "^1.9.21",
+    "@types/leaflet.markercluster": "^1.5.6",
     "@types/react": "^19",
     "@types/react-datepicker": "^7.0.0",
     "@types/react-dom": "^19"