Implement trailing stop loss

core/migrations/0027_strategy_trailing_stop_loss_percent_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.1.3 on 2022-11-15 15:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0026_trade_time_in_force'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='strategy',
+            name='trailing_stop_loss_percent',
+            field=models.FloatField(blank=True, default=1.0, null=True),
+        ),
+        migrations.AddField(
+            model_name='trade',
+            name='trailing_stop_loss',
+            field=models.FloatField(blank=True, null=True),
+        ),
+    ]