Pageroll 0.1.0

- [x] Update `front-page.php` to display page roll
- [x] Update `style.css` to change link color and header background to purple
- [x] Update `style.css` for header formatting
- [x] Create `header.php`
 - Make header and navbar full-width
 - Add "Apply Now" button to header
- [x] Create `footer.php`
 - Add class `container-fluid` to footer
- [x] Create `functions.php` with custom navigation walker