docs: Update documentation to reflect new example file naming convention

README.md

@@ -299,7 +299,7 @@ kubectl apply -f *.yaml --namespace=prod
 Want to add an example? Here's the pattern:
 
 1. Create `examples/your-example/`
-2. Add `README.md` with complete guide
+2. Add `example-name.md` with complete guide
 3. Add deployment and service YAML files
 4. Test end-to-end functionality
 5. Include troubleshooting section

examples/hello-world/hello-world.md

@@ -6,7 +6,7 @@ A complete, standalone example for deploying a Hello World web application on My
 
 This directory contains everything you need to deploy a simple web application:
 
-- **README.md** - This guide
+- **hello-world.md** - This guide
 - **hello-world-deployment.yaml** - Application deployment
 - **hello-world-service.yaml** - Service configuration
 - **src/** - Source files (optional, for customization)