docs: add showcase page (#3659)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

docs/content.config.ts

@@ -1,6 +1,18 @@
 import { defineCollection, z } from '@nuxt/content'
 import { resolve } from 'node:path'
 
+const Button = z.object({
+  label: z.string(),
+  icon: z.string().optional(),
+  trailingIcon: z.string().optional(),
+  to: z.string().optional(),
+  color: z.enum(['primary', 'neutral', 'success', 'warning', 'error', 'info']).optional(),
+  size: z.enum(['xs', 'sm', 'md', 'lg', 'xl']).optional(),
+  variant: z.enum(['solid', 'outline', 'subtle', 'soft', 'ghost', 'link']).optional(),
+  id: z.string().optional(),
+  target: z.enum(['_blank', '_self']).optional()
+})
+
 const schema = z.object({
   category: z.enum(['layout', 'form', 'element', 'navigation', 'data', 'overlay']).optional(),
   framework: z.string().optional(),
@@ -42,5 +54,26 @@ export const collections = {
       include: '**/*'
     }, pro!].filter(Boolean),
     schema
+  }),
+  showcase: defineCollection({
+    type: 'page',
+    source: 'showcase.yml',
+    schema: z.object({
+      title: z.string(),
+      description: z.string(),
+      hero: z.object({
+        title: z.string(),
+        description: z.string(),
+        links: z.array(Button)
+      }),
+      items: z.array(z.object({
+        name: z.string(),
+        url: z.string(),
+        screenshotUrl: z.string().optional(),
+        screenshotOptions: z.object({
+          delay: z.number()
+        })
+      }))
+    })
   })
 }