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

Darnton.Blazor.DeviceInterop/Geolocation/GeolocationPositionErrorCode.cs

@@ -0,0 +1,26 @@
+namespace Darnton.Blazor.DeviceInterop.Geolocation
+{
+    /// <summary>
+    /// An enumeration of error codes used by <see cref="GeolocationPositionError"/>.
+    /// <see href="https://developer.mozilla.org/en-US/docs/Web/API/GeolocationPositionError/code"/>.
+    /// </summary>
+    public enum GeolocationPositionErrorCode
+    {
+        /// <summary>
+        /// Geolocation failoed because the device does not support geolocation. Not part of W3C spec.
+        /// </summary>
+        DEVICE_NOT_SUPPORTED = 0,
+        /// <summary>
+        /// Geolocation failed because permission to access location was denied.
+        /// </summary>
+        PERMISSION_DENIED = 1,
+        /// <summary>
+        /// Geolocation failed because of an internal error on the device.
+        /// </summary>
+        POSITION_UNAVAILABLE = 2,
+        /// <summary>
+        /// Geolocation failed because no position was returned in time.
+        /// </summary>
+        TIMEOUT = 3
+    }
+}