Add full-stack questions

src/data/question-groups/full-stack/content/microservices.md

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+1. **Decompose the Application**: Identify distinct business domains and split functionality into small, loosely coupled services.
+
+2. **Service Communication**: 
+   * Use APIs (REST or GraphQL) for synchronous communication
+   * Use messaging systems (e.g., RabbitMQ, Kafka) for asynchronous communication
+
+3. **Independent Data Stores**: Each service manages its own database to ensure independence.
+
+4. **Service Discovery**: Use a registry like Consul or Eureka to manage service locations dynamically.
+
+5. **Deployment**: 
+   * Containerize services with Docker
+   * Orchestrate using Kubernetes
+
+6. **Monitoring**: Use tools like Prometheus, Grafana, or ELK Stack for observability and debugging.