bug: remove windows EOL when copying on windows machines

Author: aclevername

docusaurus.config.js

@@ -73,6 +73,9 @@ const config = {
   themeConfig:
     /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
     ({
+      customFields: {
+        copyToClipboardTransform: (code) => code.replace(/\r/g, ''),
+      },
       metadata: [
         {
           name: "keywords",