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

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backend/Dockerfile

@@ -15,8 +15,8 @@ COPY . .
 # --- Production stage ---
 FROM oven/bun:1-alpine
 
-# Install curl for health checks
-RUN apk add --no-cache curl
+# Install curl for health checks and other utilities
+RUN apk add --no-cache curl wget
 
 WORKDIR /app