feat: add world regions

[sparkybug]

/claim #4

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.55%. Comparing base (dc021e4) to head (018f192).
Report is 20 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main       #7      +/-   ##
============================================
+ Coverage     60.44%   61.55%   +1.11%     
- Complexity      124      131       +7     
============================================
  Files            28       29       +1     
  Lines           766      796      +30     
============================================
+ Hits            463      490      +27     
- Misses          303      306       +3     

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