add event subscriptions (models only)

events/migrations/0002_event_subscribers.py

@@ -0,0 +1,22 @@
+# Generated by Django 2.2.6 on 2019-10-05 13:03
+
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("events", "0001_event"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="event",
+            name="subscribers",
+            field=models.ManyToManyField(
+                to=settings.AUTH_USER_MODEL, verbose_name="inscrit⋅e⋅s"
+            ),
+        )
+    ]