A lot of playing around with documentation options - swagger, jsdocs, etc.
Postgres setup and query definition. Set up postgres, added a bunch of mock data, built query text that pg can use in queryText.js, etc.
Solved a cors issue I was having by having express use the cors package. Will come back to this later and implement proper http security stuff but for dev, this is fine.
There's a lot in this PR - too much.
Brief list of adds: