Update to version 0.1.5 with testing setup, multisite compatibility, and npm scripts

tests/e2e/cypress/plugins/index.js

@@ -0,0 +1,10 @@
+/**
+ * Cypress plugins file.
+ * 
+ * @param {Object} on - Cypress events
+ * @param {Object} config - Cypress config
+ * @return {Object} - Modified config
+ */
+module.exports = (on, config) => {
+  return config;
+};