Refactor(inventory/manifest): move into seperate file

lib/inventory/distributed-service/manifest/default.nix

@@ -0,0 +1,42 @@
+{ lib, ... }:
+let
+  inherit (lib) mkOption;
+  inherit (lib) types;
+in
+{
+  options = {
+    name = mkOption {
+      description = ''
+        The name of the module
+
+        Mainly used to create an error context while evaluating.
+        This helps backtracking which module was included; And where an error came from originally.
+      '';
+      type = types.str;
+    };
+    features = mkOption {
+      description = ''
+        Enable built-in features for the module
+
+        See the documentation for each feature:
+        - API
+      '';
+      type = types.submoduleWith {
+        modules = [
+          {
+            options.API = mkOption {
+              type = types.bool;
+              # This is read only, because we don't support turning it off yet
+              readOnly = true;
+              default = true;
+              description = ''
+                Enables automatic API schema conversion for the interface of this module.
+              '';
+            };
+          }
+        ];
+      };
+      default = { };
+    };
+  };
+}

lib/inventory/distributed-service/service-module.nix

@@ -232,43 +232,7 @@ in
       description = "Meta information about this module itself";
       type = submoduleWith {
         modules = [
-          {
+          ./manifest/default.nix
-            options = {
-              name = mkOption {
-                description = ''
-                  The name of the module
-
-                  Mainly used to create an error context while evaluating.
-                  This helps backtracking which module was included; And where an error came from originally.
-                '';
-                type = types.str;
-              };
-              features = mkOption {
-                description = ''
-                  Enable built-in features for the module
-
-                  See the documentation for each feature:
-                  - API
-                '';
-                type = types.submoduleWith {
-                  modules = [
-                    {
-                      options.API = mkOption {
-                        type = types.bool;
-                        # This is read only, because we don't support turning it off yet
-                        readOnly = true;
-                        default = true;
-                        description = ''
-                          Enables automatic API schema conversion for the interface of this module.
-                        '';
-                      };
-                    }
-                  ];
-                };
-                default = { };
-              };
-            };
-          }
         ];
       };
     };