Add metrics-exporter service

[trengrj]

• This separate service will publish the benchmark results as prometheus metrics
• Use-case is for monitoring / comparing multiple benchmarks over time

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   1   3   2	View in Orca
Passed	SAST	0   2   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

🛡️ The following IaC misconfigurations have been detected

	NAME	FILE
	Controller creating containers without dropped capabilities	docker-compose.yml	View in code
	Cpus Not Limited	docker-compose.yml	View in code
	Container Traffic Not Bound To Host Interface	docker-compose.yml	View in code
	Memory Not Limited	docker-compose.yml	View in code
	Healthcheck Not Set	docker-compose.yml	View in code
	Ensure that, if applicable, SELinux security options are set (Automated)	docker-compose.yml	View in code

🛡️ The following SAST misconfigurations have been detected

	NAME	FILE
	HTTP Server Detected Without TLS Configuration	...ics-exporter/main.go	View in code
	HTTP server timeouts not configured, risking resource exhaustion	...ics-exporter/main.go	View in code

[weaviate-git-bot]

Great to see you again! Thanks for the contribution.

beep boop - the Weaviate bot 👋🤖

PS:
Are you already a member of the Weaviate Slack channel?