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/schema/merge.js

@@ -0,0 +1,36 @@
+'use strict';
+
+module.exports = function merge(s1, s2, skipConflictingPaths) {
+  const paths = Object.keys(s2.tree);
+  const pathsToAdd = {};
+  for (const key of paths) {
+    if (skipConflictingPaths && (s1.paths[key] || s1.nested[key] || s1.singleNestedPaths[key])) {
+      continue;
+    }
+    pathsToAdd[key] = s2.tree[key];
+  }
+  s1.options._isMerging = true;
+  s1.add(pathsToAdd, null);
+  delete s1.options._isMerging;
+
+  s1.callQueue = s1.callQueue.concat(s2.callQueue);
+  s1.method(s2.methods);
+  s1.static(s2.statics);
+
+  for (const [option, value] of Object.entries(s2._userProvidedOptions)) {
+    if (!(option in s1._userProvidedOptions)) {
+      s1.set(option, value);
+    }
+  }
+
+  for (const query in s2.query) {
+    s1.query[query] = s2.query[query];
+  }
+
+  for (const virtual in s2.virtuals) {
+    s1.virtuals[virtual] = s2.virtuals[virtual].clone();
+  }
+
+  s1._indexes = s1._indexes.concat(s2._indexes || []);
+  s1.s.hooks.merge(s2.s.hooks, false);
+};