Add history function

[jidanni]

So we can lookup the latest 50 barcodes we scanned.

[markusfisch]

There is already a scan history 😉

Tap on this little icon and enable "Save scan history":

[jidanni]

OK, I'll try it. I thought that was a rescan button. But true, it has a clock in it. I was looking in the three dot menu.