Refresh in URL bar for Android by Firefox user 13691975

Adds a refresh button in the URL bar. Icon has been changed to the Firefox Android refresh icon. Based on Australis-like refresh in URL bar by Andrei Cristian Petcu (https://github.com/andreicristianpetcu/refresh_in_url_bar)
Also works on Firefox for Windows.
This addon is under the GPLv0 license © Andrei Cristian Petcu.