Updated site design and structure

* Added in bootstrap [Chapter 5](https://www.railstutorial.org/book/filling_in_the_layout#code-contact_page_test)
* Used partials to modularize the elements on the page
* Stylized the page to look more like a webpage and not a hello world application
Merge pull request #1 from therynamo/feature-layout-addition

Updated site design and structure