Add basic accessibility scan for most public pages. Disable any a11y tests with known issues

cypress/integration/breadcrumbs.spec.ts

@@ -0,0 +1,23 @@
+import { Options } from "cypress-axe";
+import { TEST_ENTITY_PUBLICATION } from "cypress/support";
+
+describe('Breadcrumbs', () => {
+    it('should pass accessibility tests', () => {
+        // Visit an Item, as those have more breadcrumbs
+        cy.visit('/entities/publication/' + TEST_ENTITY_PUBLICATION);
+        cy.injectAxe();
+
+        // Wait for breadcrumbs to be visible
+        cy.get('ds-breadcrumbs').should('be.visible');
+
+        // Analyze <ds-breadcrumbs> for accessibility
+        // Disable color-contrast checks until #1149 is fixed
+        cy.checkA11y('ds-breadcrumbs',
+            {
+                rules: {
+                    'color-contrast': { enabled: false }
+                }
+            } as Options
+        );
+    });
+});