User Story 9, Visitor Navigation Restrictions

[megstang]

As a Visitor
When I try to access any path that begins with the following, then I see a 404 error:
- '/merchant'
- '/admin'
- '/profile'

DO THESE STORIES FIRST:

• User Story 5, Visitor Navigation
• User Story 6, User Navigation
• User Story 7, Merchant Navigation
• User Story 8, Admin Navigation

Checklist:

• base tests are written
• base code is written to pass tests
• edge case ("sad path") tests written (if required)
• edge case code written (if required)
• code is reviewed
• branch is merged
• all tests still pass

child of turingschool-examples#236

child of turingschool-examples#242

depends on turingschool-examples#235

depends on turingschool-examples#234

depends on turingschool-examples#233

depends on turingschool-examples#232