create showcase section

[Descent098]

A place for mentors and mentee's to showcase projects

TODO

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

Fields

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

[Descent098]

Horizontal scroll, can use lightbox when clicking on preview