Add instructions on how to build all binaries.
Add instructions on how to build all binaries.

arvidsaur/cli,yeah-right/cli,Tonkpils/cli,neslom/cli,neslom/cli,Tonkpils/cli,yeah-right/cli,yeah-right/cli,lcowell/cli,exercism/cli,zabawaba99/cli,Tonkpils/cli,zabawaba99/cli,arvidsaur/cli,neslom/cli,lcowell/cli,arvidsaur/cli,zabawaba99/cli,lcowell/cli,exercism/cli