feat: added printing module

printing/migrations/0004_printingorder_is_invalid.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-12 08:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('printing', '0003_remove_printingjob_status'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='printingorder',
+            name='is_invalid',
+            field=models.BooleanField(default=False, verbose_name='是否作废'),
+        ),
+    ]