lib/modules: move modules out of lib

modules/inventoryClass/builder/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./interface.nix
+  ];
+}

modules/inventoryClass/builder/interface.nix

@@ -0,0 +1,28 @@
+{ lib, ... }:
+let
+  inherit (lib) types mkOption;
+  submodule = m: types.submoduleWith { modules = [ m ]; };
+
+in
+{
+  options = {
+    directory = mkOption {
+      type = types.path;
+    };
+    distributedServices = mkOption {
+      type = types.raw;
+    };
+    inventory = mkOption {
+      type = types.raw;
+    };
+    machines = mkOption {
+      type = types.attrsOf (submodule ({
+        options = {
+          machineImports = mkOption {
+            type = types.listOf types.raw;
+          };
+        };
+      }));
+    };
+  };
+}