[m] Android dev, cleanup, qemu,...

modules/nixos/hostcfg/default.nix

@@ -24,6 +24,10 @@ with lib; {
         type = types.bool;
         default = false;
       };
+      develop = mkOption {
+        type = types.bool;
+        default = false;
+      };
     };
     net = {
       wlp = {