feature #8: create Vote Article route

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

@@ -0,0 +1,21 @@
+package fr.dcproject.entity
+
+import fr.postgresjson.entity.EntityUpdatedAt
+import fr.postgresjson.entity.EntityUpdatedAtImp
+import fr.postgresjson.entity.UuidEntity
+import java.util.*
+
+open class Vote <T: UuidEntity> (
+    id: UUID = UUID.randomUUID(),
+    createdBy: Citizen,
+    override var target: T,
+    var note: Int,
+    var annonymous: Boolean = true
+): Extra<T>(id, createdBy),
+    EntityUpdatedAt by EntityUpdatedAtImp() {
+    init {
+        if (note > 1 && note < -1) {
+            error("note must be 1, 0 or -1")
+        }
+    }
+}