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/document/handleSpreadDoc.js

@@ -0,0 +1,35 @@
+'use strict';
+
+const utils = require('../../utils');
+
+const keysToSkip = new Set(['__index', '__parentArray', '_doc']);
+
+/**
+ * Using spread operator on a Mongoose document gives you a
+ * POJO that has a tendency to cause infinite recursion. So
+ * we use this function on `set()` to prevent that.
+ */
+
+module.exports = function handleSpreadDoc(v, includeExtraKeys) {
+  if (utils.isPOJO(v) && v.$__ != null && v._doc != null) {
+    if (includeExtraKeys) {
+      const extraKeys = {};
+      for (const key of Object.keys(v)) {
+        if (typeof key === 'symbol') {
+          continue;
+        }
+        if (key[0] === '$') {
+          continue;
+        }
+        if (keysToSkip.has(key)) {
+          continue;
+        }
+        extraKeys[key] = v[key];
+      }
+      return { ...v._doc, ...extraKeys };
+    }
+    return v._doc;
+  }
+
+  return v;
+};