docs(content): move shortcuts into composables/

docs/content/3.components/card.md

@@ -0,0 +1,35 @@
+---
+description: Display content in a card with a header, body and footer.
+links:
+  - label: GitHub
+    icon: i-simple-icons-github
+    to: https://github.com/nuxt/ui/blob/dev/src/runtime/components/Card.vue
+---
+
+## Usage
+
+::component-example
+---
+component: 'card-example'
+componentProps:
+  class: 'w-full'
+---
+::
+
+## Usage
+
+## Examples
+
+## API
+
+### Props
+
+:component-props
+
+### Slots
+
+:component-slots
+
+## Theme
+
+:component-theme