Commit 2023-03-06 07:28 6aa35a6a

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feat: port CategoryTheory.Limits.Shapes.SplitCoequalizer (#2655)

Estimated changes

Modified Mathlib.lean

Created Mathlib/CategoryTheory/Limits/Shapes/SplitCoequalizer.lean

added def CategoryTheory.IsSplitCoequalizer.asCofork

added theorem CategoryTheory.IsSplitCoequalizer.asCofork_π

added def CategoryTheory.IsSplitCoequalizer.isCoequalizer

added def CategoryTheory.IsSplitCoequalizer.map

added structure CategoryTheory.IsSplitCoequalizer