Add has_reduction property

kfet/migrations/0070_articlecategory_has_reduction.py

@@ -0,0 +1,22 @@
+# Generated by Django 2.2.7 on 2019-11-27 12:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("kfet", "0069_happy_new_year"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="articlecategory",
+            name="has_reduction",
+            field=models.BooleanField(
+                default=True,
+                help_text="Si oui, la réduction COF s'applique aux articles de cette catégorie",
+                verbose_name="réduction COF",
+            ),
+        ),
+    ]