Add resource action. Implement play chart and import resource action.

Assets/Cryville/Crtr/Browsing/Actions/ImportResourceAction.cs

@@ -0,0 +1,21 @@
+using Cryville.Crtr.UI;
+using System;
+
+namespace Cryville.Crtr.Browsing.Actions {
+	internal class ImportResourceAction : IResourceAction {
+		readonly IResourceManager _destination;
+		public ImportResourceAction(IResourceManager destination) {
+			_destination = destination;
+		}
+
+		public string Name { get { return "Import"; } }
+		public int Priority { get { return 0; } }
+
+		public void Invoke(Uri uri, object resource) {
+			if (_destination.ImportFrom(uri))
+				Popup.Create("Import succeeded");
+			else
+				Popup.Create("Import failed");
+		}
+	}
+}