create showcase section

[Descent098]

A place for mentors and mentee's to showcase projects

TODO

• [ ] Convert Blog nav link to media nav link
• [x] Make tabular nav with options - [ ] Blog tab - [ ] Showcase tab
• [x] Finalize fields
• [x] Start creating content section
• [x] Start creating stylesheets
• [x] Write up README section

Fields

• [x] Source code link
• [x] Demo (static web projects)
• [x] Content/writeup section
• [x] Author taxonomy

[Descent098]

Horizontal scroll, can use lightbox when clicking on preview