hugo, allow specifying the baseURL since it's helpful for SEO and other things, also rename PORT variables to not collide with Ansible's PROD_PORT.

Config/HugoExample/Dockerfile

@@ -47,4 +47,4 @@ RUN chmod +x /root/main.sh
 ## Main ##
 # Install + Run Website
 WORKDIR /var/www/
-CMD /root/main.sh "$REPO" "$BRANCH" "$PROD" "$DEV"
+CMD /root/main.sh "$REPO" "$BRANCH" "$PROD" "$DEV" "$BASEURL"