Created a mainnet specific option

roles/daedalus.nix

@@ -6,13 +6,16 @@ let
 
   sources = import ../nix/sources.nix;
   daedalusProject = import sources.daedalus {};
+  daedalusMainnet = daedalusProject.daedalus;
+  #daedalusFlight = daedalusProject.daedalus {--argstr cluster mainnet_flight -o daedalusFlight};
 
 in
 
 {
 
   environment.systemPackages = [
-    daedalusProject.daedalus
+    daedalusMainnet
+    #daedalusFlight
   ];
 
 }