feat: add migration for userdata

selfprivacy_api/migrations/update_userdata.py

@@ -0,0 +1,25 @@
+from selfprivacy_api.migrations.migration import Migration
+
+from selfprivacy_api.utils import ReadUserData, WriteUserData
+
+
+class UpdateServicesFlakeList(Migration):
+    """Check if all required services are in the flake list"""
+
+    def get_migration_name(self):
+        return "update_services_flake_list"
+
+    def get_migration_description(self):
+        return "Check if all required services are in the flake list"
+
+    def is_migration_needed(self):
+        with ReadUserData() as data:
+            if "roundcube" not in data["modules"]:
+                return True
+
+    def migrate(self):
+        with WriteUserData() as data:
+            data["modules"]["roundcube"] = {
+                "enable": True,
+                "subdomain": "roundcube",
+            }