Feat/32 group content

Added functionality for feature 32 and 33

backend/secfit/groups/migrations/0002_auto_20220314_1123.py

+# Generated by Django 3.1 on 2022-03-14 10:23
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('groups', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='membership',
+            name='group',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='memberOf', to='groups.group'),
+        ),
+    ]