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/ee/server-only/stripe/update-customer.ts

@@ -0,0 +1,18 @@
+import { stripe } from '@documenso/lib/server-only/stripe';
+
+type UpdateCustomerOptions = {
+  customerId: string;
+  name?: string;
+  email?: string;
+};
+
+export const updateCustomer = async ({ customerId, name, email }: UpdateCustomerOptions) => {
+  if (!name && !email) {
+    return;
+  }
+
+  return await stripe.customers.update(customerId, {
+    name,
+    email,
+  });
+};