add JSON to NIX_SHOW_STATS
add JSON to NIX_SHOW_STATS

layus/nix,dtzWill/nix,rycee/nix,zimbatm/nix,vcunat/nix,layus/nix,rycee/nix,rycee/nix,NixOS/nix,pikajude/nix,zimbatm/nix,zimbatm/nix,dtzWill/nix,dtzWill/nix,dtzWill/nix,vcunat/nix,NixOS/nix,NixOS/nix,NixOS/nix,dtzWill/nix,ehmry/nix,vcunat/nix,rycee/nix,layus/nix,pikajude/nix,ehmry/nix,vcunat/nix,zimbatm/nix,NixOS/nix,ehmry/nix,ehmry/nix,pikajude/nix,ehmry/nix,layus/nix,rycee/nix,layus/nix,ehmry/nix