docs: add PaymentSuccess page stories

packages/twenty-front/src/pages/auth/__stories__/PaymentSuccess.stories.tsx

@@ -0,0 +1,48 @@
+import { getOperationName } from '@apollo/client/utilities';
+import { Meta, StoryObj } from '@storybook/react';
+import { within } from '@storybook/testing-library';
+import { graphql, HttpResponse } from 'msw';
+
+import { AppPath } from '@/types/AppPath';
+import { GET_CURRENT_USER } from '@/users/graphql/queries/getCurrentUser';
+import {
+  PageDecorator,
+  PageDecoratorArgs,
+} from '~/testing/decorators/PageDecorator';
+import { graphqlMocks } from '~/testing/graphqlMocks';
+import { mockedOnboardingUsersData } from '~/testing/mock-data/users';
+
+import { PaymentSuccess } from '../PaymentSuccess';
+
+const meta: Meta<PageDecoratorArgs> = {
+  title: 'Pages/Auth/PaymentSuccess',
+  component: PaymentSuccess,
+  decorators: [PageDecorator],
+  args: { routePath: AppPath.PlanRequiredSuccess },
+  parameters: {
+    msw: {
+      handlers: [
+        graphql.query(getOperationName(GET_CURRENT_USER) ?? '', () => {
+          return HttpResponse.json({
+            data: {
+              currentUser: mockedOnboardingUsersData[0],
+            },
+          });
+        }),
+        graphqlMocks.handlers,
+      ],
+    },
+  },
+};
+
+export default meta;
+
+export type Story = StoryObj<typeof PaymentSuccess>;
+
+export const Default: Story = {
+  play: async ({ canvasElement }) => {
+    const canvas = within(canvasElement);
+
+    await canvas.findByText('Start');
+  },
+};