SongSelect: Add ura difficulty

public/src/js/loader.js

@@ -6,6 +6,10 @@ class Loader{
 		this.canvasTest = new CanvasTest()
 		p2 = new P2Connection()
 		this.ajax("src/views/loader.html").then(this.run.bind(this))
+		
+		pageEvents.add(root, ["touchstart", "touchmove", "touchend"], event => {
+			event.preventDefault()
+		})
 	}
 	run(page){
 		this.promises = []
@@ -152,5 +156,6 @@ class Loader{
 		delete this.loaderPercentage
 		delete this.loaderProgress
 		delete this.promises
+		pageEvents.remove(root, "touchstart")
 	}
 }