The HelpOut GitHub Action should produce a job summary

[StartAutomating]

Github Job Summaries are useful ways to track output.

HelpOut is uniquely situated to provide this output in a refreshing way (since most of what it makes is Markdown, most of what it displays should work inline)

This should be approached by:

• Making HelpOut more Eventful #172
• Monitoring HelpOut Events during the GitHub Action (and summarizing them) #173