feature #12: Add constitution Entity, repository and route

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

@@ -5,15 +5,14 @@ import java.util.*
 
 class Article(
     id: UUID = UUID.randomUUID(),
-    var versionId: UUID = UUID.randomUUID(),
-    var versionNumber: Int? = null,
     var title: String?,
     var annonymous: Boolean? = true,
     var content: String?,
     var description: String?,
     var tags: List<String> = emptyList(),
-    override var createdBy: Citizen?
+    createdBy: Citizen?
 ):
     UuidEntity(id),
+    EntityVersioning<UUID, Int> by UuidEntityVersioning(),
     EntityCreatedAt by EntityCreatedAtImp(),
-    CreatedBy<Citizen> by EntityCreatedByImp()
+    CreatedBy<Citizen> by EntityCreatedByImp(createdBy)