Move top-level config/ folder to src/main/config to resolve file not found issues

[cwperks]

Description

Move top-level config/ folder to src/main/config to resolve file not found issues

Related Issues

Resolves #857

Check List

• New functionality includes testing.
• New functionality has been documented.
• API changes companion pull request created.
• Commits are signed per the DCO using --signoff.
• Public documentation issue/PR created.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.80%. Comparing base (9cb092f) to head (935f38c).
⚠️ Report is 46 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #860      +/-   ##
============================================
- Coverage     70.88%   69.80%   -1.08%     
- Complexity      421      491      +70     
============================================
  Files            49       54       +5     
  Lines          3125     3520     +395     
  Branches        194      228      +34     
============================================
+ Hits           2215     2457     +242     
- Misses          785      911     +126     
- Partials        125      152      +27     

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[andrross]

@sbcd90 @ansjcy Can a maintainer take a look at this?