feat(CategoryTheory): command that generates instances for MorphismProperty

[erdOne]

Co-authored-by: Calle Sönne

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[github-actions]

PR summary 63e2636124

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference
Mathlib.CategoryTheory.MorphismProperty.Tactic	379

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Declarations diff

+ Bar2
+ Config
+ ContainsIdentities
+ Foo.Bar
+ Foo.Bar3
+ IsStableUnderComposition
+ addMorphismPropertyInstancesAux
+ comp_mem
+ getArgs
+ hom
+ instance : ContainsIdentities (@Foo.Bar n) := ⟨fun _ ↦ ⟨⟩⟩
+ instance : ContainsIdentities (@Foo.Bar3 C _) := ⟨fun _ ↦ ⟨⟩⟩
+ instance : IsStableUnderComposition (@Foo.Bar n) := ⟨fun _ _ _ _ ↦ ⟨⟩⟩
+ instance : IsStableUnderComposition (@Foo.Bar3 C _) := ⟨fun _ _ _ _ ↦ ⟨⟩⟩
+ instance : IsStableUnderComposition @Foo.Bar2 := ⟨fun _ _ _ _ ↦ ⟨⟩⟩
+ instance : RespectsIso (@Foo.Bar n) := @RespectsIso.mk _ _ _ (fun _ _ _ ↦ ⟨⟩) (fun _ _ _ ↦ ⟨⟩)
+ lemma1
+ lemma2
+ lemma3
+ of_isIso
+++ foo
+++ instance {X} : Bar (𝟙 X)

You can run this locally as follows

## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

The doc-module for script/declarations_diff.sh contains some details about this script.

[chrisflav]

This is very cool! Looking forward to using this. I left some small comments on the tests. Since I don't know anything about meta programming, I can't comment on the implementation.