Add more screenshots for the Tor Browser translations
The browser strings need more context for a good translation, especially the ones with variables that make translators confused.
At the moment the Tor Browser strings without screenshots can be listed here: https://hosted.weblate.org/search/tor/tor-browser/?q=+language%3Aen+and+NOT+has%3Ascreenshot+and+not+component%3Ator-browser-user-manual&sort_by=-priority%2Cposition&checksum=