feat: add ReferenceItem model and update QuickEvaluation FKs

- Create ReferenceitemModel with type, name, parent (self FK), order, is_active fields
- Add ReferenceType choices: brand, marka, color, fuel_type, body_type, car_position, state_car
- Implement ReferenceItem API (list, retrieve) with filter by type/parent/is_active, search, ordering
- Add ReferenceItem admin with list_filter, search, inline editing
- Change QuickEvaluation FK fields from shared.OptionsModel to evaluation.ReferenceitemModel
- Update serializers and views to use .name instead of .key
- Add ReferenceItem to unfold admin navigation

core/apps/evaluation/models/reference.py

@@ -0,0 +1,38 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_core.models import AbstractBaseModel
+from model_bakery import baker
+
+from core.apps.evaluation.choices.reference import ReferenceType
+
+
+class ReferenceitemModel(AbstractBaseModel):
+    type = models.CharField(
+        verbose_name=_("type"),
+        max_length=50,
+        choices=ReferenceType.choices,
+    )
+    name = models.CharField(verbose_name=_("name"), max_length=255)
+    parent = models.ForeignKey(
+        "self",
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        related_name="children",
+        verbose_name=_("parent"),
+    )
+    order = models.IntegerField(verbose_name=_("order"), default=0)
+    is_active = models.BooleanField(verbose_name=_("is active"), default=True)
+
+    def __str__(self):
+        return f"{self.get_type_display()}: {self.name}"
+
+    @classmethod
+    def _baker(cls):
+        return baker.make(cls)
+
+    class Meta:
+        db_table = "ReferenceItem"
+        verbose_name = _("Reference Item")
+        verbose_name_plural = _("Reference Items")
+        ordering = ["type", "order", "name"]