update add feed initial balance on cycle and fix its feature

backend/apps/farms/migrations/0012_cycle_feed_initial_balance_date.py

@@ -0,0 +1,15 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("farms", "0011_flock_belongs_to_kandang"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="cycle",
+            name="feed_initial_balance_date",
+            field=models.DateField(blank=True, null=True),
+        ),
+    ]