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

Darnton.Blazor.DeviceInterop/Geolocation/PositionOptions.cs

@@ -0,0 +1,27 @@
+namespace Darnton.Blazor.DeviceInterop.Geolocation
+{
+    /// <summary>
+    /// Option properties to be passed to Geolocation functions, based on https://developer.mozilla.org/en-US/docs/Web/API/PositionOptions.
+    /// </summary>
+    public class PositionOptions
+    {
+        /// <summary>
+        /// Enable high accuracy mode for best possible results.
+        /// May be slower or increase power consumption. Defaults to false.
+        /// </summary>
+        public bool EnableHighAccuracy { get; set; } = false;
+
+        /// <summary>
+        /// Maximum length of time allowed to return a position (in milliseconds).
+        /// Set to null for no timeout. Defaults to null.
+        /// </summary>
+        public long? Timeout { get; set; } = null;
+
+        /// <summary>
+        /// Maximum allowed age for a cached result.
+        /// Set to null to disregard the age of cached results.
+        /// Set to 0 to skip the cache and attempt a fresh result every time. Defaults to 0.
+        /// </summary>
+        public long? MaximumAge { get; set; } = 0;
+    }
+}