USER STORY: Add sidebar to header links

[johnamdickson]

Epic: Home Page and Navigation #2

User Story: As a site user I can access secondary information on the site using a sidebar so that there is not information overload on the home page and I can access all information in an engaging manner

Acceptance Criteria:

• A side bar that opens when the user clicks on certain header links.
• Side bar styled to suit site aesthetic.

Tasks:

• [x] Implement side bar for the about header link.
• [x] Style the side bar to reflect colour scheme and general aesthetic.

[johnamdickson]

Side bar added for the about link to include bio and other company information. Basic styling completed on sidebar.