Add is_archive field to EvaluationRequest model. Write apis for update is_archive and list archived requests

core/apps/evaluation/models/request.py

@@ -118,6 +118,10 @@ class EvaluationrequestModel(AbstractBaseModel):
         choices=RequestStatus.choices,
         default=RequestStatus.PENDING,
     )
+    is_archive = models.BooleanField(
+        verbose_name=_("is archive"),
+        default=False,
+    )
     def __str__(self):
         return f"Requests #{self.pk} — {self.get_rate_type_display()}"