home/modules/captive-browser: init module

starting with Chrome/ Chromium only by copying command from
https://github.com/FiloSottile/captive-browser/

home/workmac.nix

@@ -93,6 +93,11 @@ in
     + import ./scripts/ssh-loop-fc.nix { inherit pkgs lib; }
   );
 
+  # separate proxied browser using the DHCP-supplied DNS for accessing captive portals
+  programs.captive-browser = {
+    enable = true;
+    interface = "en0";
+  };
   launchd.agents.hydra_proxy = {
     enable = true;
     config = {