Improved overflow support: Update README

[sungshik]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.4%. Comparing base (61ebbb8) to head (58472c5).
Report is 6 commits behind head on improved-overflow-support-main.

Additional details and impacted files

@@ Coverage Diff @@## improved-overflow-support-main #30 +/- ##
==================================================================
- Coverage 80.5% 80.4% -0.2% + Complexity 131 130 -1 
==================================================================
Files 16 16 Lines 567 567 Branches 64 64 ==================================================================
- Hits 457 456 -1 
Misses 70 70 - Partials 40 41 +1 

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