[ISSUE-3/4] Adds test container and tooling (#8)

* Adding black, isort, and flake8 to pytest

* Applying black, flake8, and isort to codebase

comic/urls.py

@@ -1,7 +1,6 @@
 from django.conf.urls import url
 
-from . import feeds
-from . import views
+from . import feeds, views
 
 urlpatterns = [
     url(r"^$", views.comic_list, name="index"),