inventory has clear sections

inventories/default.nix

@@ -3,17 +3,21 @@
   clan = {
     inventory = {
 
-      instances.emergency-access = {
+      instances = {
+        emergency-access = {
           module = {
             name = "emergency-access";
             input = "clan-core";
           };
           roles.default.tags."all" = { };
         };
+      };
 
-      services.admin = {
+      services = {
+        admin = {
           default.config.allowedKeys = [ ];
         };
       };
     };
+  };
 }