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/test-auth-flow.spec.ts

@@ -30,7 +30,7 @@ test('user can sign up with email and password', async ({ page }: { page: Page }
     await page.mouse.up();
   }
 
-  await page.getByRole('button', { name: 'Sign Up' }).click();
+  await page.getByRole('button', { name: 'Sign Up', exact: true }).click();
   await page.waitForURL('/documents');
 
   await expect(page).toHaveURL('/documents');