Wrapper Component + 100% unit coverage

[bmitchinson]

Description:

Closes issue #54

Notes:

• Fixes some bonus tests -> 100% unit coverage
• Removes animation from buttons on "landingpage"
• Adds react router so components can be rendered at any route
• Adds a wrapper component that centers a max width container in the middle of the page above a certain length
• Wrapper component supports props to configure the nav bar
  • See Wrapper.test.tsx for examples of props. They're typed in the component as well.
• the /patientinformation route renders PatientInfoPlaceholder which is just an image.

Screenshots (Optional):

Checklist:

• [x] 90% Test Coverage