ExerciseTreeTranslation fix

src/main/kotlin/com/aitrainer/api/model/ExerciseTreeTranslation.kt

@@ -10,10 +10,12 @@ data class ExerciseTreeTranslation (
         val translationId: Long = 0,
 
         @get: NotBlank var languageCode: String?,
-        @get: NotBlank var name: String = "",
+        @get: NotBlank var name: String = ""
 
+
+) {
         @ManyToOne(fetch = FetchType.EAGER, optional = false)
         @JoinColumn(name = "treeId", nullable = false)
         val exerciseTree: ExerciseTree? = null
 
-)
+}