docs(docs): add cli configuration and components

docs/src/components/ui/button.tsx

@@ -0,0 +1,28 @@
+import { cva, type VariantProps } from 'class-variance-authority';
+
+const variants = {
+  primary: 'bg-fd-primary text-fd-primary-foreground hover:bg-fd-primary/80',
+  outline: 'border hover:bg-fd-accent hover:text-fd-accent-foreground',
+  ghost: 'hover:bg-fd-accent hover:text-fd-accent-foreground',
+  secondary:
+    'border bg-fd-secondary text-fd-secondary-foreground hover:bg-fd-accent hover:text-fd-accent-foreground',
+} as const;
+
+export const buttonVariants = cva(
+  'inline-flex items-center justify-center rounded-md p-2 text-sm font-medium transition-colors duration-100 disabled:pointer-events-none disabled:opacity-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fd-ring',
+  {
+    variants: {
+      variant: variants,
+      // fumadocs use `color` instead of `variant`
+      color: variants,
+      size: {
+        sm: 'gap-1 px-2 py-1.5 text-xs',
+        icon: 'p-1.5 [&_svg]:size-5',
+        'icon-sm': 'p-1.5 [&_svg]:size-4.5',
+        'icon-xs': 'p-1 [&_svg]:size-4',
+      },
+    },
+  },
+);
+
+export type ButtonProps = VariantProps<typeof buttonVariants>;