Extend cart checkout block package: Prep for publish (#33355)

packages/js/extend-cart-checkout-block/.gitignore

@@ -0,0 +1,30 @@
+/nbproject/private/
+node_modules
+project.xml
+project.properties
+.DS_Store
+Thumbs.db
+.buildpath
+.project
+.settings*
+.vscode
+sftp-config.json
+/deploy/
+/wc-apidocs/
+/languages/
+screenshots/
+.idea
+
+# Ignore all log files except for .htaccess
+/logs/*
+!/logs/.htaccess
+
+tests/e2e/config/local-*
+.eslintcache
+
+/vendor/
+
+dist
+build
+
+{{slug}}.zip