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/(teams)/t/[teamUrl]/settings/layout.tsx

@@ -0,0 +1,54 @@
+import React from 'react';
+
+import { notFound } from 'next/navigation';
+
+import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
+import { getRequiredServerComponentSession } from '@documenso/lib/next-auth/get-server-component-session';
+import { getTeamByUrl } from '@documenso/lib/server-only/team/get-team';
+import { canExecuteTeamAction } from '@documenso/lib/utils/teams';
+
+import { DesktopNav } from '~/components/(teams)/settings/layout/desktop-nav';
+import { MobileNav } from '~/components/(teams)/settings/layout/mobile-nav';
+
+export type TeamSettingsLayoutProps = {
+  children: React.ReactNode;
+  params: {
+    teamUrl: string;
+  };
+};
+
+export default async function TeamsSettingsLayout({
+  children,
+  params: { teamUrl },
+}: TeamSettingsLayoutProps) {
+  const session = await getRequiredServerComponentSession();
+
+  try {
+    const team = await getTeamByUrl({ userId: session.user.id, teamUrl });
+
+    if (!canExecuteTeamAction('MANAGE_TEAM', team.currentTeamMember.role)) {
+      throw new Error(AppErrorCode.UNAUTHORIZED);
+    }
+  } catch (e) {
+    const error = AppError.parseError(e);
+
+    if (error.code === 'P2025') {
+      notFound();
+    }
+
+    throw e;
+  }
+
+  return (
+    <div className="mx-auto w-full max-w-screen-xl px-4 md:px-8">
+      <h1 className="text-4xl font-semibold">Team Settings</h1>
+
+      <div className="mt-4 grid grid-cols-12 gap-x-8 md:mt-8">
+        <DesktopNav className="hidden md:col-span-3 md:flex" />
+        <MobileNav className="col-span-12 mb-8 md:hidden" />
+
+        <div className="col-span-12 md:col-span-9">{children}</div>
+      </div>
+    </div>
+  );
+}