feat(web): PageTitle h1 component + story (#57)

web/src/components/ui/page-title.stories.tsx

@@ -0,0 +1,19 @@
+import type { Meta, StoryObj } from '@storybook/react-vite'
+import { expect } from 'storybook/test'
+
+import { PageTitle } from './page-title'
+
+const meta = {
+  component: PageTitle,
+  args: { children: 'Objects' },
+  tags: ['ai-generated'],
+} satisfies Meta<typeof PageTitle>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  play: async ({ canvas }) => {
+    await expect(canvas.getByRole('heading', { level: 1, name: 'Objects' })).toBeInTheDocument()
+  },
+}