add deleted_at on article and constitution

src/main/kotlin/fr/dcproject/entity/Article.kt

@@ -15,4 +15,5 @@ class Article(
     UuidEntity(id),
     EntityVersioning<UUID, Int> by UuidEntityVersioning(),
     EntityCreatedAt by EntityCreatedAtImp(),
-    EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy)
+    EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy),
+    EntityDeletedAt by EntityDeletedAtImp()

src/main/kotlin/fr/dcproject/entity/Constitution.kt

@@ -12,7 +12,8 @@ class Constitution(
 ):  UuidEntity(id),
     EntityVersioning<UUID, Int> by UuidEntityVersioning(),
     EntityCreatedAt by EntityCreatedAtImp(),
-    EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy) {
+    EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy),
+    EntityDeletedAt by EntityDeletedAtImp() {
 
     init{
         titles.forEachIndexed { index, title ->