♻️(serializers) move dimail calls to serializers

we move all business logic from model to serializer.
all API calls (direct and from front) will keep on triggering
expected 3rd party calls while admin actions will uniquely trigger
modifications in our database.

CHANGELOG.md

@@ -11,8 +11,13 @@ and this project adheres to
 
 ### Added
 
-- ✨(domains) add endpoint to list and retrieve domain accesses @sdemagny #404
-- 🍱(dev) embark dimail-api as container by @mjeammet #366
+- ✨(domains) add endpoint to list and retrieve domain accesses #404
+- 🍱(dev) embark dimail-api as container #366
+
+
+### Changed
+
+- ♻️(serializers) move business logic to serializers #414 
 
 ## [1.1.0] - 2024-09-10