* document user endpoints, allow for empty request/response bodies
* document more user endpoints, improve debugging output if no details are specified
* document some more user endpoints
* minor cleanup
* FIX: flakey tests due to bad regex
Added GET user by external_id to the api docs.
Fixed `/users/{username}` docs to be `/u/{username}`
Extracted out common user response into a shared helper.
* DEV: api documentation updates
- Created a script to convert json responses to rswag
- Documented several api endpoints
- Switched rswag to use header based auth
* Update script, fix some schema missmatches
Blake Erickson