Add migration file

backend/api/migrations/0014_auto_20210603_0438.py

@@ -0,0 +1,49 @@
+# Generated by Django 3.2.3 on 2021-06-03 04:38
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('api', '0013_merge_20210528_1016'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='annotationrelations',
+            name='timestamp',
+            field=models.DateTimeField(),
+        ),
+        migrations.AlterField(
+            model_name='annotationrelations',
+            name='type',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='annotation_relations', to='api.relationtypes'),
+        ),
+        migrations.AlterField(
+            model_name='annotationrelations',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='annotation_relations', to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='relationtypes',
+            name='color',
+            field=models.TextField(),
+        ),
+        migrations.AlterField(
+            model_name='relationtypes',
+            name='name',
+            field=models.TextField(),
+        ),
+        migrations.AlterUniqueTogether(
+            name='annotationrelations',
+            unique_together={('annotation_id_1', 'annotation_id_2', 'type', 'project')},
+        ),
+        migrations.AlterUniqueTogether(
+            name='relationtypes',
+            unique_together={('color', 'name')},
+        ),
+    ]