- add leaflet

- start with map-view.component: basic webgis functionalities

package.json

@@ -14,6 +14,7 @@
     "axios": "^0.24.0",
     "class-transformer": "^0.5.1",
     "core-js": "^3.6.5",
+    "leaflet": "^1.7.1",
     "moment": "^2.29.1",
     "qs": "^6.10.1",
     "rxjs": "^6.6.0",
@@ -24,6 +25,7 @@
     "vue-router": "^4.0.12"
   },
   "devDependencies": {
+    "@types/leaflet": "^1.7.9",
     "@typescript-eslint/eslint-plugin": "^4.18.0",
     "@typescript-eslint/parser": "^4.18.0",
     "@vue/cli-plugin-babel": "~4.5.0",