Nix confused with NX

Hi,

I think https://nx.dev/ should be referenced here as Nix has nothing to do with monorepo management. If so, the image would need a logo change as well

system-design-101/README.md

Line 1592 in ab9e6ae

    
           Google engineers built Bazel, and Meta built Buck. There are other open-source tools available, including Nix, Lerna, and others.