Add value field to MusicGameOrder and update score calculation logic

game/migrations/0022_musicgameorder_value.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.3 on 2025-06-15 12:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("game", "0021_alter_musicgameresults_score"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="musicgameorder",
+            name="value",
+            field=models.PositiveIntegerField(default=0),
+        ),
+    ]