feat: export special exams store

[ilee2u]

For https://2u-internal.atlassian.net/browse/COSMO-85

Exporting the store for frontend-lib-special-exams to be merged into the store of frontend-app-learning.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7f6f442) 94.14% compared to head (7fee083) 94.15%.

❗ Current head 7fee083 differs from pull request most recent head 586ff0a. Consider uploading reports for the commit 586ff0a to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #130   +/-   ##
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  Coverage   94.14%   94.15%           
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  Files          71       71           
  Lines        1059     1060    +1     
  Branches      290      290           
=======================================
+ Hits          997      998    +1     
  Misses         57       57           
  Partials        5        5           

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