mobiledragdrop: attempt to fix scrolling issues on ios

See https://github.com/timruffles/ios-html5-drag-drop-shim/issues/77

plugins/tiddlywiki/mobiledragdrop/startup.js

@@ -0,0 +1,25 @@
+/*\
+title: $:/plugins/tiddlywiki/mobiledragdrop/startup.js
+type: application/javascript
+module-type: startup
+
+Startup initialisation
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+// Export name and synchronous status
+exports.name = "mobiledragdrop";
+exports.platforms = ["browser"];
+exports.after = ["startup"];
+exports.synchronous = true;
+
+exports.startup = function() {
+	window.addEventListener("touchmove", function() {});
+};
+
+})();