feat: add new file

frontend/node_modules/tailwindcss/src/util/responsive.js

@@ -0,0 +1,10 @@
+import postcss from 'postcss'
+import cloneNodes from './cloneNodes'
+
+export default function responsive(rules) {
+  return postcss
+    .atRule({
+      name: 'responsive',
+    })
+    .append(cloneNodes(Array.isArray(rules) ? rules : [rules]))
+}