Add doc urls

urls.py

from drf_yasg.views import get_schema_view
from drf_yasg import openapi
from rest_framework import permissions


schema_view = get_schema_view(
   openapi.Info(
      title="Blog API",
      default_version='v1',
      description="Test description",
   ),
   public=True,
   permission_classes=(permissions.AllowAny,),
)

urlpatterns = [
    path('admin/', admin.site.urls),
    path('doc/', schema_view.with_ui('redoc', cache_timeout=0), name='schema-redoc'),
    re_path(r'api/(?P<version>[v1|v2]+)/', include('django_blog.apps.blog.rest_api.urls')),
]