aligned with established project structure

plop-templates/service.js.hbs

@@ -0,0 +1,17 @@
+const create{{pascalCase name}} = () => {
+  let examplePrivateVariable = 0
+
+  return {
+    getExamplePrivateVariable: () => {
+      return examplePrivateVariable
+    },
+    setExamplePrivateVariable: (n) => {
+      examplePrivateVariable = n
+    }
+  }
+};
+
+const singleton = create{{pascalCase name}}();
+Object.freeze(singleton);
+
+export default singleton;