database and migrations

SatelliteProvider.Api/appsettings.Development.json

@@ -4,5 +4,16 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
+  },
+  "ConnectionStrings": {
+    "DefaultConnection": "Host=localhost;Port=5432;Database=satelliteprovider;Username=postgres;Password=postgres"
+  },
+  "MapConfig": {
+    "Service": "GoogleMaps",
+    "ApiKey": "YOUR_API_KEY_HERE"
+  },
+  "StorageConfig": {
+    "TilesDirectory": "./tiles",
+    "ReadyDirectory": "./ready"
   }
 }