show or link service documentation

[blndev]

maybe we can use a md - browser viewer or we should create a build step to place a html based documentation in html folder.

Research: Swagger for ExpressJS

[blndev]

Swagger seems to overblown currently. Different than in Java or C# you have to write a swagger.json for a express service by hand.

Better approach:
https://github.com/evilstreak/markdown-js
https://www.npmjs.com/package/markdown-to-html

[blndev]

MD to HTML used by Google: https://github.com/showdownjs/showdown