add --verbose to argotk

pkgs/default.nix

@@ -250,7 +250,7 @@ let
          }).env;
 
     doArgotk = drv: command: drv.overrideAttrs (old:{
-      buildPhase = "argotk "+command;
+      buildPhase = "argotk "+command+" --verbose";
       installPhase = ''
         mkdir $out
         cp _output/* $out/