Initial work on associating events with subhires

RIGS/migrations/0046_subhire_events.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.16 on 2022-10-20 11:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('RIGS', '0045_subhire'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='subhire',
+            name='events',
+            field=models.ManyToManyField(to='RIGS.Event'),
+        ),
+    ]