first commit

examples/data-fetching/.storybook/preview.ts

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+import '../src/styles/main.css'
+import type { Preview } from '@storybook/react'
+
+const preview: Preview = {
+    parameters: {
+        actions: { argTypesRegex: '^on[A-Z].*' },
+        controls: {
+            matchers: {
+                color: /(background|color)$/i,
+                date: /Date$/,
+            },
+        },
+    },
+}
+
+export default preview