add asgi project config template

Author: clavay

tests/project_template/project_name/asgi.py-tpl

@@ -0,0 +1,16 @@
+"""
+ASGI config for {{ project_name }} project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/{{ docs_version }}/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "{{ project_name }}.settings")
+
+application = get_asgi_application()