Ohsu training

[bwalsh]

This PR:

• creates training material - docs/aced.md
• adds accompanying test fixtures
• adds metadata utility

To view online:
Add the following to your /etc/hosts

# testing
10.96.11.151 aced-training.compbio.ohsu.edu

View the results at:
https://aced-training.compbio.ohsu.edu

[jordan2lee]

Generally speaking, the tabs in aced.md aren't formatting well in browser. Likely would be best to double check that these are rendered the way you wanted

[jordan2lee]

Let's meet to chat about the use of doc aced.md

[jordan2lee]

Add a summary sentence to aced.md like in README.md has “This repo was established as a sandbox to introduce Gen3…”