rename extraModules -> modules

cerulean/nexus/nexus.nix

@@ -51,7 +51,7 @@
       ;
   in {
     base = null;
-    extraModules = [];
+    modules = [];
     args = Terminal {};
 
     groups = Terminal {};
@@ -208,8 +208,8 @@ in {
                 # inputs.microvm.nixosModules.microvm
               ]
               ++ (getGroupModules root nodeName node)
-              ++ node.extraModules
-              ++ nexus.extraModules;
+              ++ node.modules
+              ++ nexus.modules;
           };
         in
           nixosDecl

cerulean/nexus/nodes.nix

@@ -35,7 +35,7 @@ in rec {
     enabled = true;
     system = missing "its system architecture" "system";
     groups = [];
-    extraModules = [];
+    modules = [];
     args = Terminal {};
 
     base = null;

cerulean/nexus/snow.nix

@@ -24,7 +24,7 @@
       types
       ;
   in {
-    extraModules = mkOption {
+    modules = mkOption {
       type = types.listOf types.path;
     };
     args = mkOption {