docs: new structure (#1282)

Co-authored-by: Sébastien Chopin <seb@nuxt.com>

docs/content/2.components/skeleton.md

@@ -0,0 +1,21 @@
+---
+description: Display a placeholder while content is loading.
+links:
+  - label: GitHub
+    icon: i-simple-icons-github
+    to: https://github.com/nuxt/ui/blob/dev/src/runtime/components/layout/Skeleton.vue
+---
+
+## Usage
+
+Use to show a placeholder while content is loading.
+
+:component-example{component="skeleton-example"}
+
+## Props
+
+:component-props
+
+## Config
+
+:component-preset