3.1.0

Added

• Attach related models to a model (check tests)
• Attach multiple related model to a model
• Attach extra information to the pivot

 $response = $this->postJson('restify-api/companies/' . $company->id . '/attach/users', [
            'users' => [1, 2],
            'is_admin' => true,
        ])
            ->assertStatus(201);

        $response->assertJsonFragment([
            'company_id' => '1',
            'user_id' => $user->id,
            'is_admin' => true,
        ]);