cabal2nix.cabal: document the --no-check flag
cabal2nix.cabal: document the --no-check flag

spencerjanssen/cabal2nix,gridaphobe/cabal2nix,dmalikov/cabal2nix,Fuuzetsu/cabal2nix,bennofs/cabal2nix,psibi/cabal2nix,jb55/cabal2nix