Add Before and After Hooks for Create, Edit, and Delete Operations

[jowilf]

close #287

[github-actions]

🚀 Deployed on https://docs-preview-327--starlette-admin-docs-preview.netlify.app

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (63dca61) 100.00% compared to head (139bb34) 100.00%.

❗ Current head 139bb34 differs from pull request most recent head 4c7c5c7. Consider uploading reports for the commit 4c7c5c7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #327    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           72        72            
  Lines         5409      5535   +126     
==========================================
+ Hits          5409      5535   +126     

Files	Coverage Δ
starlette_admin/contrib/mongoengine/view.py	100.00% <100.00%> (ø)
starlette_admin/contrib/odmantic/view.py	100.00% <100.00%> (ø)
starlette_admin/contrib/sqla/view.py	100.00% <100.00%> (ø)
starlette_admin/views.py	100.00% <100.00%> (ø)
tests/mongoengine/test_view.py	100.00% <100.00%> (ø)
tests/odmantic/test_async_engine.py	100.00% <100.00%> (ø)
tests/sqla/test_async_engine.py	100.00% <100.00%> (ø)
tests/sqla/test_sync_engine.py	100.00% <100.00%> (ø)

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