Add codecov config file

[ricky9667]

Description

This PR adds the codecov.yml file to ignore some packages to calculate more accurate code coverage.

How to verify

Check if code coverage ignores some files.

Screenshots / Videos

N/A

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.17%. Comparing base (f66a595) to head (f3f8667).
Report is 10 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #38      +/-   ##
==========================================
- Coverage   45.67%   43.17%   -2.51%     
==========================================
  Files          36       38       +2     
  Lines         694      945     +251     
  Branches      172      262      +90     
==========================================
+ Hits          317      408      +91     
- Misses        299      437     +138     
- Partials       78      100      +22     

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