* Proposal for monitoring responsibilities
* added an architecture diagram for Prometheus
* install graphviz
* Only run the diagrams action when someone commits a diagram
* Filled out the architecture README
* Install node Prometheus Node Exporter on all hosts
Co-authored-by: Chris Cowley <chris.cowley@fr.clara.net>
if it fails consistently we can bump it or or adjust the image to
include our galaxy requirements automatically and make the build process
overall a bit more complex, but only when requirements are added. e.g.
we only need to rebuild the container when requirements change.
