Initial framework setup with docker

[irfanbaigse]

PHP

• Should have initial framework configs
• Should have one REST request uri
• Should have one Test command
• Should have one sample unit test in PHPUnit and Behat

Docker

• PHP7
• MySQL
• Mongo (optional)
• Nginx

[devypt]

@irfanbaigse please close thee PR, I can't merge it anymore :) , Happy New Year.