Feature/visualisation

[itsvipa]

Description of the Change

This change adds the functionality of being able to visualise any workflow written up in a python file.

It uses, in addition to the current packages, flask, networkx in the module, and on the javascript side, d3.js.

It also provides summary diagnostics on failure rates and activity durations from the last 100 executions to help identify pain points and contextualise complex workflows.

The flask microservice serving the web frontend allows for the further extension of additional visualisations into the template file, with the next 3 logical steps being:

1. Providing a menu for selecting between multiple flows and re-rendering them.
2. Providing a realtime execution visualisation
3. Adding additional analytics and graphs on click through - and linking to the AWS console when possible.

Verification Process

I have forked and updated the following repository:

https://github.com/itsvipa/hello_world_garcon

with a guide on how to quickly run the visualiser with the relevant contexts.