Update colour values to be consistent in length with others and add medium-grey color variable.
Add @imports for images and portfolio scss files.
Add layout template for portfolio index page.
Add portfolio folder to images folder, with image for Forres Soccer 7s porfolio item.
Add portfolio index page with markup for Forres Soccer 7s portfolio item.
Add styling for portfolio page items.
Add css file autogenerated from sass watch file.
Merge branch 'portfolio-page' into development