working frontend and backend

frontend/package-lock.json

@@ -17,6 +17,7 @@
         "bootstrap": "^5.3.3",
         "chart.js": "^4.4.8",
         "leaflet": "^1.9.4",
+        "leaflet.heat": "^0.2.0",
         "react": "^19.0.0",
         "react-chartjs-2": "^5.3.0",
         "react-dom": "^19.0.0",
@@ -3556,6 +3557,11 @@
       "integrity": "sha512-nxS1ynzJOmOlHp+iL3FyWqK89GtNL8U8rvlMOsQdTTssxZwCXh8N2NB3GDQOL+YR3XnWyZAxwQixURb+FA74PA==",
       "license": "BSD-2-Clause"
     },
+    "node_modules/leaflet.heat": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/leaflet.heat/-/leaflet.heat-0.2.0.tgz",
+      "integrity": "sha512-Cd5PbAA/rX3X3XKxfDoUGi9qp78FyhWYurFg3nsfhntcM/MCNK08pRkf4iEenO1KNqwVPKCmkyktjW3UD+h9bQ=="
+    },
     "node_modules/levn": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",