docs: identified missing documentation

modules/nixos/dgn-console.nix

@@ -19,11 +19,13 @@ in
     pg-upgrade-from = mkOption {
       type = lib.types.package;
       default = config.services.postgresql.package;
+      description = "TODO"; # TODO: documentation
     };
 
     pg-upgrade-to = mkOption {
       type = lib.types.package;
       default = pkgs.postgresql_15;
+      description = "TODO"; # TODO: documentation
     };
   };
 

modules/nixos/django-apps/default.nix

@@ -83,6 +83,7 @@ in
     };
 
     sites = mkOption {
+      description = "TODO"; # TODO: documentation
       type = attrsOf (
         submodule (
           { name, config, ... }:
@@ -322,12 +323,14 @@ in
                 type = str;
                 readOnly = true;
                 default = "/var/lib/django-apps/${name}";
+                description = "TODO"; # TODO: documentation
               };
 
               sourceDirectory = mkOption {
                 type = str;
                 readOnly = true;
                 default = "${config.baseDirectory}/source";
+                description = "TODO"; # TODO: documentation
               };
 
               staticDirectory = mkOption {