Added "Add repo" senario testing (#502)

* Adding start of add repository flow

* Adding data-cy instead of css selectors

* Saving progress

* Adding fixture data

* Cleaning the test

frontend/cypress.config.ts

@@ -7,4 +7,10 @@ export default defineConfig({
       bundler: "vite",
     },
   },
-});
+
+  e2e: {
+    setupNodeEvents(on, config) {
+      // implement node event listeners here
+    },
+  },
+});