Add missing course prefix

[natalynyu]

The backgroundColor was not mapped correctly for mat & me. The course prefix mat & me was missing as a course prefix in the area object. Originally, it was listed as matme in the area object.

Types of changes

• [X] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have run eslint on the code
• [x] I have added JSDoc for all of my code (where applicable)
• [ ] I have added tests to cover my changes.

Priority:

• [x] Normal
• [ ] High

Related Issues:

Addresses #117

[codecov[bot]]

Codecov Report

Merging #47 into develop will not change coverage by %. The diff coverage is n/a.

@@            Coverage Diff            @@
##           develop       #47   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           21        21           
  Lines          230       230           
  Branches        18        18           
=========================================
  Hits           230       230           

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