Enabling prometheus support with service monitors

[rohanarora]

No description provided.

[Copilot]

Pull Request Overview

This PR enables Prometheus monitoring support for deployed models by adding the ability to create Kubernetes ServiceMonitor resources. The changes allow users to optionally enable Prometheus metrics collection when deploying models for benchmarking.

• Adds a prometheus_enabled parameter to the benchmark and deployment functions
• Refactors service port configuration to use model-specific methods
• Creates ServiceMonitor resources when Prometheus is enabled
• Updates documentation with Prometheus setup instructions

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
fmperf/utils/Benchmarking.py	Adds prometheus_enabled parameter to run_benchmark function
fmperf/ModelSpecs.py	Refactors port configuration and adds ServiceMonitor endpoint methods
fmperf/Cluster.py	Removes hardcoded annotations, adds ServiceMonitor creation logic
examples/example_vllm.py	Demonstrates prometheus_enabled usage
docs/SETUP.md	Adds Prometheus installation and setup instructions

[Copilot]

The text 'INSTEAD (/OR)' should be formatted consistently with other section headers or as proper documentation text. Consider using '## Alternative Setup' or similar.

Suggested change

	INSTEAD (/OR)
	## Alternative Setup