Add: ValidationError handling

Author: Gogobobo11

src/api/api.py

@@ -255,7 +255,11 @@ async def update_zone(zone_id: int, update: UpdateZone):
                     )
 
                 return zone
-
+            except ValidationError:
+                raise HTTPException(
+                    status_code=status.HTTP_422_UNPROCESSABLE_CONTENT,
+                    detail=f"One or multiple validation errors in\n{update}"
+                )
             except HTTPException:
                 raise
             except Exception as e: