chore: INput config to remove the transformer

lib/properties/PropertyGroup.ts

@@ -0,0 +1,18 @@
+import { PackagePropertyGroup } from "../types";
+import { PropertyString } from "./PropertyString";
+
+export class PropertyGroup {
+  private constructor(readonly data: PackagePropertyGroup) {}
+  static of(options: {
+    description: string;
+    value: (PropertyGroup | PropertyString)[];
+    name: string;
+  }) {
+    return new PropertyGroup({
+      type: "object",
+      name: options.name,
+      description: options.description,
+      value: options.value.map((x) => x.data),
+    });
+  }
+}