Add RB use case

[saisakul]

Add redbox use case example

Context

What

Have you written unit tests?

• Yes
• No (add why you have not)

Are there any specific instructions on how to test this change?

• Yes (if so provide more detail)
• No

Relevant links

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.04%. Comparing base (48a568e) to head (a3fb9e1).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #473   +/-   ##
=======================================
  Coverage   81.04%   81.04%           
=======================================
  Files         183      183           
  Lines        7345     7345           
=======================================
  Hits         5953     5953           
  Misses       1392     1392           

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