update api configuration for panel iot and adjust ai insight

backend/apps/farms/models.py

@@ -80,6 +80,7 @@ class Kandang(models.Model):
 class Flock(models.Model):
     flock_id = models.BigAutoField(primary_key=True)
     flock_name = models.CharField(max_length=30)
+    iot_api_url = models.CharField(max_length=500, blank=True, default="")
     kandang = models.ForeignKey(
         Kandang,
         on_delete=models.CASCADE,