fix: update/insert readme open-wc header via script

scripts/insert-header.js

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+/* eslint-disable consistent-return, no-console */
+const fs = require('fs');
+
+function escapeRegExp(text) {
+  return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
+}
+
+const filePath = `${process.cwd()}/README.md`;
+const findPattern = escapeRegExp('[//]: # (AUTO INSERT HEADER PREPUBLISH)');
+const text = `
+> Part of Open Web Components [open-wc](https://github.com/open-wc/open-wc/)
+
+Open Web Components provides a set of defaults, recommendations and tools to help facilitate your web component project. Our recommendations include: developing, linting, testing, building, tooling, demoing, publishing and automating.
+
+[![CircleCI](https://circleci.com/gh/open-wc/open-wc.svg?style=shield)](https://circleci.com/gh/open-wc/open-wc)
+[![BrowserStack Status](https://www.browserstack.com/automate/badge.svg?badge_key=M2UrSFVRang2OWNuZXlWSlhVc3FUVlJtTDkxMnp6eGFDb2pNakl4bGxnbz0tLUE5RjhCU0NUT1ZWa0NuQ3MySFFWWnc9PQ==--86f7fac07cdbd01dd2b26ae84dc6c8ca49e45b50)](https://www.browserstack.com/automate/public-build/M2UrSFVRang2OWNuZXlWSlhVc3FUVlJtTDkxMnp6eGFDb2pNakl4bGxnbz0tLUE5RjhCU0NUT1ZWa0NuQ3MySFFWWnc9PQ==--86f7fac07cdbd01dd2b26ae84dc6c8ca49e45b50)
+[![Renovate enabled](https://img.shields.io/badge/renovate-enabled-brightgreen.svg)](https://renovatebot.com/)
+`.trim();
+
+fs.readFile(filePath, 'utf8', (readError, data) => {
+  if (readError) {
+    return console.log(readError);
+  }
+
+  const result = data.replace(new RegExp(findPattern), text);
+  fs.writeFile(filePath, result, 'utf8', writeError => {
+    if (writeError) {
+      return console.log(writeError);
+    }
+  });
+});