fix: import webapp.config at the top of app module

Author: edisile

webapp/app.py

@@ -14,6 +14,7 @@
 import webapp.config
 
 from canonicalwebteam.flask_base.app import FlaskBase
+import webapp.config
 from webapp.blog.views import init_blog
 from webapp.docs.views import init_docs
 from webapp.extensions import csrf