add flake config file

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+max-line-length = 120
+exclude = tests/*
+max-complexity = 10

service/apps.py

@@ -4,3 +4,5 @@ from django.apps import AppConfig
 class ServiceConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'service'
+
+a = "longline that doesn't fit in 79 symbols 79 symbols 79 symbols 79 symbols 79 symbols"