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/helpers/discriminator/getDiscriminatorByValue.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const areDiscriminatorValuesEqual = require('./areDiscriminatorValuesEqual');
+
+/**
+ * returns discriminator by discriminatorMapping.value
+ *
+ * @param {Object} discriminators
+ * @param {string} value
+ * @api private
+ */
+
+module.exports = function getDiscriminatorByValue(discriminators, value) {
+  if (discriminators == null) {
+    return null;
+  }
+  for (const name of Object.keys(discriminators)) {
+    const it = discriminators[name];
+    if (
+      it.schema &&
+      it.schema.discriminatorMapping &&
+      areDiscriminatorValuesEqual(it.schema.discriminatorMapping.value, value)
+    ) {
+      return it;
+    }
+  }
+  return null;
+};