what is allauth in django code example

Example: allauth

1. pip install django-allauth

2. INSTALLED_APPS = [
      'django.contrib.auth',
      'django.contrib.messages',
      'django.contrib.sites',

      'allauth',
      'allauth.account',
      'allauth.socialaccount',
	]

3.	AUTHENTICATION_BACKENDS = [
      'django.contrib.auth.backends.ModelBackend',
      'allauth.account.auth_backends.AuthenticationBackend',
	]

4. SITE_ID = 1

5. urlpatterns = [
     path('accounts/', include('allauth.urls')),
]