Added lint config for css and js
Added Procfile
added public/vendor to .gitignore
Added robots.txt and humans.txt
Added bower.json and it's config file .bowerrc
Restructured the public folder and added a favicon
Restructured the views by adding a layout using swig and consolidate to package.json
Added express middlewares

- Added view engine middleware
- Added route middleware for "/"
- Added route middleware to handle 500 and 404 errors