Previously every deployment (even just for a single tag, such as
`ansible-playbook site.yml --tags landingpage`) would have the caddy
deployment in its dependency.
That meant in effect whenever there was an updated caddy image, the role
would update it and we would lose all previous caddy configuration -
which in turn would necessitate a complete redeploymnet of all steps.
This is now not the case anymore.
Added role of wallabag. Can take a subdomain alias to be presented on a
different uri than its stack name.
All services contain a healthcheck for docker swarm to be informed of
their status.
Copy whoami template to wallabag role
Change non-domain domain name to localhost
Fix correct handler notify naming
Allow setting different subdomain alias than name
Add meta information
