chore: rename service folders to lowercase

frontend/.storybook/preview.ts

@@ -0,0 +1,16 @@
+import type { Preview } from "@storybook/vue3-vite";
+import "../assets/css/main.css";
+
+const preview: Preview = {
+  parameters: {
+    actions: { argTypesRegex: "^on[A-Z].*" },
+    controls: {
+      matchers: {
+        color: /(background|color)$/i,
+        date: /Date$/i,
+      },
+    },
+  },
+};
+
+export default preview;