improve description of Wikidata tools and add screenshots
completed by: Husun
mentors: Lydia Pintscher
A lot of tools are being build around Wikidata. We have a listing of them at https://www.wikidata.org/wiki/Wikidata:Tools/External_tools. Your task is to choose 7 of them and improve their descriptions on the wiki, also by adding an image to them.