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.

apps/web/src/app/(signing)/sign/[token]/layout.tsx

@@ -1,6 +1,8 @@
 import React from 'react';
 
 import { getServerComponentSession } from '@documenso/lib/next-auth/get-server-component-session';
+import type { GetTeamsResponse } from '@documenso/lib/server-only/team/get-teams';
+import { getTeams } from '@documenso/lib/server-only/team/get-teams';
 
 import { Header as AuthenticatedHeader } from '~/components/(dashboard)/layout/header';
 import { NextAuthProvider } from '~/providers/next-auth';
@@ -12,10 +14,16 @@ export type SigningLayoutProps = {
 export default async function SigningLayout({ children }: SigningLayoutProps) {
   const { user, session } = await getServerComponentSession();
 
+  let teams: GetTeamsResponse = [];
+
+  if (user && session) {
+    teams = await getTeams({ userId: user.id });
+  }
+
   return (
     <NextAuthProvider session={session}>
       <div className="min-h-screen">
-        {user && <AuthenticatedHeader user={user} />}
+        {user && <AuthenticatedHeader user={user} teams={teams} />}
 
         <main className="mb-8 mt-8 px-4 md:mb-12 md:mt-12 md:px-8">{children}</main>
       </div>