Create tech stack docs (techstack.yml and techstack.md)

[stack-file]

Adding tech stack documentation to allow anyone to easily see what is being used in this repo without digging through config files. Two files are being added: techstack.yml and techstack.md. techstack.yml contains data on all the technologies being used in this repo. techstack.md is a visualization of the YML file and displays the tech stack data in a pretty Markdown file.

💡 Protip: techstack.md contains a comment at the top of the file that the following README snippet (with and without the logos) at the top of the file as a comment:

<--- Readme.md Snippet without images Start --->

Tech Stack

dreamfactorysoftware/dreamfactory is built on the following main stack:

• Heroku – Platform as a Service
• Vagrant – Virtual Machine Management
• PHP – Languages
• Laravel – Frameworks (Full Stack)
• jQuery – Javascript UI Libraries
• Redis – In-Memory Databases
• NGINX – Web Servers
• Bootstrap – Front-End Frameworks
• JavaScript – Languages
• PHPUnit – Testing Frameworks
• Lodash – Javascript Utilities & Libraries
• Vue.js – Javascript UI Libraries
• Shell – Shells
• axios – Javascript Utilities & Libraries

Full tech stack here

<--- Readme.md Snippet without images End --->

Get the code:

## Tech Stack
dreamfactorysoftware/dreamfactory is built on the following main stack:

- [Heroku](https://www.heroku.com) – Platform as a Service
- [Vagrant](http://www.vagrantup.com/) – Virtual Machine Management
- [PHP](http://www.php.net/) – Languages
- [Laravel](http://laravel.com/) – Frameworks (Full Stack)
- [jQuery](http://jquery.com/) – Javascript UI Libraries
- [Redis](http://redis.io/) – In-Memory Databases
- [NGINX](http://nginx.org) – Web Servers
- [Bootstrap](http://getbootstrap.com/) – Front-End Frameworks
- [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- [PHPUnit](https://phpunit.de/) – Testing Frameworks
- [Lodash](https://lodash.com) – Javascript Utilities & Libraries
- [Vue.js](http://vuejs.org/) – Javascript UI Libraries
- [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
- [axios](https://github.com/mzabriskie/axios) – Javascript Utilities & Libraries

Full tech stack [here](/techstack.md)

---

<--- Readme.md Snippet with images Start --->

Tech Stack

dreamfactorysoftware/dreamfactory is built on the following main stack:

• Heroku – Platform as a Service
• Vagrant – Virtual Machine Management
• PHP – Languages
• Laravel – Frameworks (Full Stack)
• jQuery – Javascript UI Libraries
• Redis – In-Memory Databases
• NGINX – Web Servers
• Bootstrap – Front-End Frameworks
• JavaScript – Languages
• PHPUnit – Testing Frameworks
• Lodash – Javascript Utilities & Libraries
• Vue.js – Javascript UI Libraries
• Shell – Shells
• axios – Javascript Utilities & Libraries

Full tech stack here

<--- Readme.md Snippet with images End --->

Get the code:

## Tech Stack
dreamfactorysoftware/dreamfactory is built on the following main stack:

- <img width='25' height='25' src='https://img.stackshare.io/service/133/3wgIDj3j.png' alt='Heroku'/> [Heroku](https://www.heroku.com) – Platform as a Service
- <img width='25' height='25' src='https://img.stackshare.io/service/768/150px-Vagrant.png' alt='Vagrant'/> [Vagrant](http://www.vagrantup.com/) – Virtual Machine Management
- <img width='25' height='25' src='https://img.stackshare.io/service/991/hwUcGZ41_400x400.jpg' alt='PHP'/> [PHP](http://www.php.net/) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/992/AcA2LnWL_400x400.jpg' alt='Laravel'/> [Laravel](http://laravel.com/) – Frameworks (Full Stack)
- <img width='25' height='25' src='https://img.stackshare.io/service/1021/lxEKmMnB_400x400.jpg' alt='jQuery'/> [jQuery](http://jquery.com/) – Javascript UI Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/1031/default_cbce472cd134adc6688572f999e9122b9657d4ba.png' alt='Redis'/> [Redis](http://redis.io/) – In-Memory Databases
- <img width='25' height='25' src='https://img.stackshare.io/service/1052/YMxUfyWf.png' alt='NGINX'/> [NGINX](http://nginx.org) – Web Servers
- <img width='25' height='25' src='https://img.stackshare.io/service/1101/C9QJ7V3X.png' alt='Bootstrap'/> [Bootstrap](http://getbootstrap.com/) – Front-End Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/1209/javascript.jpeg' alt='JavaScript'/> [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) – Languages
- <img width='25' height='25' src='https://img.stackshare.io/service/1616/1_WsEnddd5Y4EgEHsT054kUQ.jpeg' alt='PHPUnit'/> [PHPUnit](https://phpunit.de/) – Testing Frameworks
- <img width='25' height='25' src='https://img.stackshare.io/service/2438/lodash.png' alt='Lodash'/> [Lodash](https://lodash.com) – Javascript Utilities & Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/3837/paeckCWC.png' alt='Vue.js'/> [Vue.js](http://vuejs.org/) – Javascript UI Libraries
- <img width='25' height='25' src='https://img.stackshare.io/service/4631/default_c2062d40130562bdc836c13dbca02d318205a962.png' alt='Shell'/> [Shell](https://en.wikipedia.org/wiki/Shell_script) – Shells
- <img width='25' height='25' src='https://img.stackshare.io/no-img-open-source.png' alt='axios'/> [axios](https://github.com/mzabriskie/axios) – Javascript Utilities & Libraries

Full tech stack [here](/techstack.md)