add first version of tailwind docs

src/components/icons/FaceSmileIcon.jsx

@@ -0,0 +1,17 @@
+export function FaceSmileIcon(props) {
+  return (
+    <svg viewBox="0 0 20 20" aria-hidden="true" {...props}>
+      <path
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        d="M10 1.5a8.5 8.5 0 1 1 0 17 8.5 8.5 0 0 1 0-17Z"
+      />
+      <path
+        fill="none"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        d="M7.5 6.5v2M12.5 6.5v2M5.5 11.5s1 3 4.5 3 4.5-3 4.5-3"
+      />
+    </svg>
+  )
+}