Support multi-file configurations

[geoffjay]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.83%. Comparing base (1faaacf) to head (df7475f).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #3      +/-   ##
==========================================
+ Coverage   52.14%   52.83%   +0.68%     
==========================================
  Files          71       71              
  Lines        6014     6017       +3     
==========================================
+ Hits         3136     3179      +43     
+ Misses       2878     2838      -40     

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