Add Chapter 10: Capstone Projects - Complete Course with Real-World A…

…pplications

- Project 1 (Beginner): Personal Blog Platform
  - Full-stack application: Frontend (NGINX) + Backend (Node.js) + MySQL
  - Demonstrates: multi-tier architecture, ConfigMaps, Secrets, PVC, Services
  - Complete working YAML with embedded application code
  - Challenge extensions for learning enhancement

- Project 2 (Intermediate): E-Commerce Microservices
  - Architecture: Product, Cart, Order services
  - Uses: PostgreSQL, Redis, microservices patterns
  - Service-to-service communication
  - Independent scaling per service

- Project 3 (Advanced): Full-Stack Production App
  - Social media platform 'CloudChat'
  - Complete production patterns: HPA, PDB, Network Policies
  - Zero-downtime deployments
  - Monitoring with Prometheus & Grafana
  - TLS/SSL with Ingress
  - Security hardening

Added resources:
- examples/chapter-10/project-1-blog-platform.yaml
  - Single-file deployment for complete blog platform
  - 600+ lines of production-ready manifests
  - Health checks, resource limits, best practices applied

Updated documentation:
- README.md: Added Chapter 10 to learning path
- examples/README.md: Added Chapter 10 usage guide

Course now COMPLETE: 10 chapters, 0 to Production
Ready for v1.0.0 release!

Add Chapter 9: Best Practices - Production-ready Kubernetes patterns

Add Chapter 8: Debugging & Troubleshooting - Systematic problem-solvi…

…ng for Kubernetes

Add Chapter 7: Ingress - Production-ready external access with routin…

…g and SSL

Add Chapter 6: Persistent Storage - Volumes, PVCs, and StatefulSets