[Squash] created basic home, about page

Generated new page

* new view for home page created

Edited default text

Adjusted root route

* root page is now home page
* old location of home page was /pages/home

Created 'About' view

* added new action in controller
* defined new view
* added new route for 'about' page

Used Ruby embedded tag

* created a link with embedded ruby (erb)