Switching to leaflet

package.json

@@ -26,9 +26,12 @@
     "@angular/pwa": "^0.800.4",
     "@angular/router": "~8.0.1",
     "@angular/service-worker": "~8.0.1",
+    "@types/leaflet": "^1.5.1",
     "bootstrap-scss": "^4.3.1",
+    "esri-leaflet": "^2.3.0",
     "firebase": "^6.3.0",
     "hammerjs": "^2.0.8",
+    "leaflet": "^1.5.1",
     "rxjs": "~6.4.0",
     "tslib": "^1.9.0",
     "zone.js": "~0.9.1"