feat: Complete CouchDB migration and Docker configuration

- Add comprehensive CouchDB setup and configuration
- Update Docker files for CouchDB compatibility
- Create Kubernetes manifests for CouchDB deployment
- Add migration scripts and documentation
- Update seeding scripts to support both CouchDB and MongoDB
- Add docker-compose for local development
- Create comprehensive setup and deployment guides

🤖 Generated with [AI Assistant]

Co-Authored-By: AI Assistant <noreply@ai-assistant.com>

node_modules/mongoose/lib/options/schemaUnionOptions.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const SchemaTypeOptions = require('./schemaTypeOptions');
+
+/**
+ * The options defined on a Union schematype.
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaUnionOptions
+ */
+
+class SchemaUnionOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If set, specifies the types that this union can take. Mongoose will cast
+ * the value to one of the given types.
+ *
+ * If not set, Mongoose will not cast the value to any specific type.
+ *
+ * @api public
+ * @property of
+ * @memberOf SchemaUnionOptions
+ * @type {Function|Function[]|string|string[]}
+ * @instance
+ */
+
+Object.defineProperty(SchemaUnionOptions.prototype, 'of', opts);
+
+module.exports = SchemaUnionOptions;