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

tests/e2e/cypress/support/commands.js

@@ -0,0 +1,12 @@
+/**
+ * Custom Cypress commands.
+ */
+
+// Login command
+Cypress.Commands.add('login', (username = 'admin', password = 'password') => {
+  cy.visit('/wp-login.php');
+  cy.get('#user_login').type(username);
+  cy.get('#user_pass').type(password);
+  cy.get('#wp-submit').click();
+  cy.get('body.wp-admin').should('exist');
+});