SCT-1251 Add gunicorn app

[MrCreosote]

No description provided.

[jayrbolton]

why not put that in src/jgikbase/idmapping?
otherwise looks good

[coveralls]

Pull Request Test Coverage Report for Build 208

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.05%

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Totals
Change from base Build 207:	0.0%
Covered Lines:	1037
Relevant Lines:	1091

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💛 - Coveralls

[MrCreosote]

I actually just copied how you set up the caching service where the app was in the root. Do you think that's not a good idea?

See https://github.com/kbase/CachingService/blob/master/app.py

[jayrbolton]

For your repo, it might be more consistent, and is slightly less prone to namespace conflict
In my repo, I wasn't concerned with namespace conflicts and didn't have any problems. I just put it in the root out of simplicity/laziness. I might nest things better in that repo soon