add first version of tailwind docs

src/components/GridPattern.jsx

@@ -0,0 +1,42 @@
+import { useId } from 'react'
+
+export function GridPattern({ width, height, x, y, squares, ...props }) {
+  let patternId = useId()
+
+  return (
+    <svg aria-hidden="true" {...props}>
+      <defs>
+        <pattern
+          id={patternId}
+          width={width}
+          height={height}
+          patternUnits="userSpaceOnUse"
+          x={x}
+          y={y}
+        >
+          <path d={`M.5 ${height}V.5H${width}`} fill="none" />
+        </pattern>
+      </defs>
+      <rect
+        width="100%"
+        height="100%"
+        strokeWidth={0}
+        fill={`url(#${patternId})`}
+      />
+      {squares && (
+        <svg x={x} y={y} className="overflow-visible">
+          {squares.map(([x, y]) => (
+            <rect
+              strokeWidth="0"
+              key={`${x}-${y}`}
+              width={width + 1}
+              height={height + 1}
+              x={x * width}
+              y={y * height}
+            />
+          ))}
+        </svg>
+      )}
+    </svg>
+  )
+}