[ehsanmsb]

Changes

• Keep the default chart to Deployment and Service; leave Ingress, Route, HTTPProxy, ServiceMonitor, HPA, PDB, and ServiceAccount disabled by default.
• Add standard Helm names, labels, pod settings, probes, scheduling values, and optional templates.
• Set default requests to 100m CPU/64Mi memory and limits to 500m CPU/256Mi memory.
• Add optional OpenShift Route with edge TLS and optional Contour HTTPProxy with hostname and TLS Secret.
• Document Kubernetes and OpenShift installation, and test default and optional manifests in CI.

Validation

• helm lint and chart packaging passed.
• Default render contains only Deployment and Service.
• Route TLS/plain, HTTPProxy TLS, resource defaults, and missing-host validation passed.
• The Go application source is unchanged.