Added CRUD endpoints for each application.

app/apps/accounts/migrations/0005_unique_user_email_index.py

@@ -0,0 +1,20 @@
+from django.conf import settings
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("accounts", "0004_delete_account"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            sql=(
+                "CREATE UNIQUE INDEX IF NOT EXISTS auth_user_email_uniq "
+                "ON auth_user (email);"
+            ),
+            reverse_sql="DROP INDEX IF EXISTS auth_user_email_uniq;",
+        ),
+    ]