add to the instruction for # of handlers i readme

apps/backswipe/README.md

@@ -10,6 +10,12 @@ Standard # of drag handlers: 0-10 (Default: 0, must be changed for backswipe to
 
 Standard # of handlers settings are used to fine tune when backswipe should trigger the back function. E.g. when using a keyboard that works on drags, we don't want the backswipe to trigger when we just wanted to select a letter. This might not be able to cover all cases however.
 
+To get an indication for standard # of handlers `Bangle["#onswipe"]` and `Bangle["#ondrag"]` can be entered in the [Espruino Web IDE](https://www.espruino.com/ide) console field. They return `undefined` if no handler is active, a function if one is active, or a list of functions if multiple are active. Calling this on the clock app is a good start.
+
+## TODO
+
+- Possibly add option to tweak standard # of handlers on per app basis. 
+
 ## Creator
 Kedlub