feat(map): add new source

src/TileServer.Api/appsettings.json

@@ -24,9 +24,7 @@
       "https://github.com/acalcutt/osm-lakelines/releases/download/latest/lake_centerline.shp.zip",
       "https://acalcutt.github.io/osm-lakelines/lake_centerline.shp.zip"
     ],
-    "WaterPolygonsUrls": [
+    "WaterPolygonsUrls": ["https://osmdata.openstreetmap.de/download/water-polygons-split-3857.zip"],
-      "https://osmdata.openstreetmap.de/download/water-polygons-split-3857.zip"
-    ],
     "DefaultMinZoom": 0,
     "DefaultMaxZoom": 15,
     "OverzoomMaxZoom": 18,
@@ -54,7 +52,16 @@
         "Id": "volga-fed-district",
         "Name": "Волго-Вятский федеральный округ",
         "Url": "https://download.geofabrik.de/russia/volga-fed-district-latest.osm.pbf",
-        "Center": [ 45.0000, 57.0000 ],
+        "Center": [45.0, 57.0],
+        "MinZoom": 0,
+        "MaxZoom": 15,
+        "Enabled": true
+      },
+      {
+        "Id": "northwestern-fed-district",
+        "Name": "Северо-Западный федеральный округ",
+        "Url": "https://download.geofabrik.de/russia/northwestern-fed-district-latest.osm.pbf",
+        "Center": [30.0, 60.0],
         "MinZoom": 0,
         "MaxZoom": 15,
         "Enabled": true