lot of new functionalities

core/utils/gender/gender.go

@@ -0,0 +1,17 @@
+package gender
+
+// ISO5218ToString converts ISO 5218 gender codes to French text labels
+func ISO5218ToString(value string) string {
+	switch value {
+	case "0":
+		return "Inconnu"
+	case "1":
+		return "Masculin"
+	case "2":
+		return "Féminin"
+	case "9":
+		return "Sans objet"
+	default:
+		return value
+	}
+}