Reorganise project structure and namespaces. Remove Leaflet project and replace with Darnton.Blazor.Leaflet package.

Darnton.Blazor.DeviceInterop/Geolocation/GeolocationPosition.cs

@@ -0,0 +1,28 @@
+using Darnton.Units;
+using System;
+using System.Text.Json.Serialization;
+
+namespace Darnton.Blazor.DeviceInterop.Geolocation
+{
+    /// <summary>
+    /// Geolocation Position, based on <see href="https://developer.mozilla.org/en-US/docs/Web/API/GeolocationPosition"/>.
+    /// </summary>
+    public class GeolocationPosition
+    {
+        /// <summary>
+        /// The coordinates defining the current location
+        /// </summary>
+        public GeolocationCoordinates Coords { get; set; }
+
+        /// <summary>
+        /// The time the coordinates were taken, in milliseconds since the Unix epoch.
+        /// </summary>
+        public long Timestamp { get; set; }
+
+        /// <summary>
+        /// The <see cref="DateTimeOffset"/> derived from the Timestamp, in UTC.
+        /// </summary>
+        [JsonIgnore]
+        public DateTimeOffset DateTimeOffset => (Timestamp / 1000).FromUnixTime().ToDateTimeOffset();
+    }
+}