feat: add teams (#848)

## Description

Add support for teams which will allow users to collaborate on
documents.

Teams features allows users to:

- Create, manage and transfer teams
- Manage team members
- Manage team emails
- Manage a shared team inbox and documents

These changes do NOT include the following, which are planned for a
future release:

- Team templates
- Team API
- Search menu integration

## Testing Performed

- Added E2E tests for general team management
- Added E2E tests to validate document counts

## Checklist

- [X] I have tested these changes locally and they work as expected.
- [X] I have added/updated tests that prove the effectiveness of these
changes.
- [ ] I have updated the documentation to reflect these changes, if
applicable.
- [X] I have followed the project's coding style guidelines.

packages/app-tests/e2e/fixtures/authentication.ts

@@ -0,0 +1,40 @@
+import type { Page } from '@playwright/test';
+
+import { WEBAPP_BASE_URL } from '@documenso/lib/constants/app';
+
+type ManualLoginOptions = {
+  page: Page;
+  email?: string;
+  password?: string;
+
+  /**
+   * Where to navigate after login.
+   */
+  redirectPath?: string;
+};
+
+export const manualLogin = async ({
+  page,
+  email = 'example@documenso.com',
+  password = 'password',
+  redirectPath,
+}: ManualLoginOptions) => {
+  await page.goto(`${WEBAPP_BASE_URL}/signin`);
+
+  await page.getByLabel('Email').click();
+  await page.getByLabel('Email').fill(email);
+
+  await page.getByLabel('Password', { exact: true }).fill(password);
+  await page.getByLabel('Password', { exact: true }).press('Enter');
+
+  if (redirectPath) {
+    await page.waitForURL(`${WEBAPP_BASE_URL}/documents`);
+    await page.goto(`${WEBAPP_BASE_URL}${redirectPath}`);
+  }
+};
+
+export const manualSignout = async ({ page }: ManualLoginOptions) => {
+  await page.getByTestId('menu-switcher').click();
+  await page.getByRole('menuitem', { name: 'Sign Out' }).click();
+  await page.waitForURL(`${WEBAPP_BASE_URL}/signin`);
+};