add first version of tailwind docs

src/components/Prose.jsx

@@ -0,0 +1,10 @@
+import clsx from 'clsx'
+
+export function Prose({ as: Component = 'div', className, ...props }) {
+  return (
+    <Component
+      className={clsx(className, 'prose dark:prose-invert')}
+      {...props}
+    />
+  )
+}