Selenopidae
(Flatties)

Yes, a “flattie” in family Selenopsidae. The most likely genus is Anyhops https://en.wikipedia.org/wiki/Anyphops as you’ll see from the link, there are many species of the genus in Africa. These spiders hold a world record for land animals for the speed that they can turn their body around. Something I learned from this article is that their legs face different directions, which makes it possible for them to rotate in any direction. https://www.dailymail.co.uk/sciencetech/article-5380513/Footage-shows-flattie-spiders-turn-capture-prey.html