Feature: Overhaul explore (#52)

* feat: display country in explore results + put data policy in a chip

* feat: display country in explore results + put data policy in a chip

* fix: update Canada GDC API link

* fix: show N/A for null values in the results of explore

* feat: add start and end update date picker to query GDCs

* fix: remove advanced search + correct view JSON link

* feat: add bounding box map to dataset dialog

* fix: generalise method of obtaining topic hierarchy

* chore: remove topic hierarchy from preview

package.json

@@ -32,16 +32,19 @@
     "@electron-forge/plugin-auto-unpack-natives": "^6.4.2",
     "@electron-forge/plugin-vite": "^6.4.2",
     "@electron-forge/publisher-github": "^7.4.0",
+    "@types/leaflet": "^1.9.12",
     "@vitejs/plugin-vue": "^4.4.0",
     "electron": "27.0.2",
     "sass": "^1.69.5",
     "vite-plugin-vuetify": "^1.0.2",
     "vue3-apexcharts": "^1.5.2",
-    "vuetify": "^3.5.16"
+    "vuetify": "^3.6.10"
   },
   "dependencies": {
     "@mdi/font": "^7.3.67",
     "electron-squirrel-startup": "^1.0.0",
+    "leaflet": "^1.9.4",
+    "leaflet-draw": "^1.0.4",
     "pyinstaller": "^0.0.1",
     "python-shell": "^5.0.0",
     "tree-kill": "^1.2.2",