Setup Hexo for documentation

[criticic]

Solves #1

(Uses Hexo Docs Theme)

[criticic]

@abhishek97 please review...

[abhishek97]

This Doesn't work for me.

➜  express-jsonapi-controller git:(theParadoxicalWizard-master) ✗ yarn run docs
yarn run v1.15.2
$ hexo
Usage: hexo <command>

Commands:
  help     Get help on a command.
  init     Create a new Hexo folder.
  version  Display version information.

Global Options:
  --config  Specify config file instead of using _config.yml
  --cwd     Specify the CWD
  --debug   Display all verbose messages in the terminal
  --draft   Display draft posts
  --safe    Disable all plugins and scripts
  --silent  Hide output on console

For more help, you can use 'hexo help [command]' for the detailed information
or you can check the docs: http://hexo.io/docs/

[criticic]

Its a known issue , I should have fixed it earlier , i created a new PR
#10