Add performance testing to Cypress results

test/automated/browser/cypress/e2e/offline/00_offline_performance.cy.js

@@ -0,0 +1,14 @@
+describe('Lighthouse Metrics', () => {
+	beforeEach(() => {
+		cy.visit('http://localhost:8080');
+	});
+
+	it('Capture Metrics', () => {
+		cy.lighthouse({
+			accessibility: 97,
+			'best-practices': 97,
+			seo: 97,
+			performance: 90,
+		});
+	});
+});