Add interactive map to visualize candidates provenance using Leaflet

package-lock.json

@@ -8,6 +8,7 @@
                 "@tailwindcss/typography": "^0.5.19",
                 "chart.js": "^4.5.1",
                 "date-fns": "^4.1.0",
+                "leaflet": "^1.9.4",
                 "marked": "^17.0.4",
                 "vuedraggable": "^4.1.0"
             },
@@ -1937,6 +1938,12 @@
                 "vite": "^8.0.0"
             }
         },
+        "node_modules/leaflet": {
+            "version": "1.9.4",
+            "resolved": "https://registry.npmjs.org/leaflet/-/leaflet-1.9.4.tgz",
+            "integrity": "sha512-nxS1ynzJOmOlHp+iL3FyWqK89GtNL8U8rvlMOsQdTTssxZwCXh8N2NB3GDQOL+YR3XnWyZAxwQixURb+FA74PA==",
+            "license": "BSD-2-Clause"
+        },
         "node_modules/lightningcss": {
             "version": "1.32.0",
             "resolved": "https://registry.npmjs.org/lightningcss/-/lightningcss-1.32.0.tgz",