This includes all external resources instead of hotlinking them.
To achieve that, this PR - converts static/index.html ("console") and graph to templates - moved the handlebars template to separated file to avoid escaping issues Route changes: /status -> / /static -> /console /static/graph.html -> /graph
This is now using a base template (_base.html) for the 'layout' of the web UI. Within that base template, the actual content templates get rendered.