Playwright POM (#8109)

Related to #6641

packages/twenty-e2e-testing/lib/pom/helper/stripePage.ts

@@ -0,0 +1,5 @@
+import { Locator, Page } from '@playwright/test';
+
+export class StripePage {
+  // TODO: implement all necessary methods (staging/sandbox page - does it differ anyhow from normal page?)
+}