Add DOCS_URL to settings, update README and env.example

access_controller/settings.py

@@ -184,6 +184,8 @@ SOLVED_TICKETS_EMAIL = os.getenv('ST_EMAIL')
 
 ZENDESK_MAX_AGENTS = int(os.getenv('LICENSE_NO', '0'))
 
+ACTRL_DOCS_URL = os.getenv('ACTRL_DOCS_URL', '#')
+
 REST_FRAMEWORK = {
     # Use Django's standard `django.contrib.auth` permissions,
     # or allow read-only access for unauthenticated users.
@@ -202,5 +204,3 @@ ACTRL_API_EMAIL = os.getenv('ACTRL_API_EMAIL') or os.getenv('ACCESS_CONTROLLER_A
 ACTRL_API_TOKEN = os.getenv('ACTRL_API_TOKEN') or os.getenv('ACCESS_CONTROLLER_API_TOKEN')
 ACTRL_API_PASSWORD = os.getenv('ACTRL_API_PASSWORD') or os.getenv('ACCESS_CONTROLLER_API_PASSWORD')
 
-
-DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'