This PR consists of improvements and fixes related to SigNoz in Docker Standalone and Docker Swarm.
- Docker/Swarm deploy directory restructuring and improvements
- Prometheus metrics scraping using labels in Docker Standalone and Docker Swarm
- Swarm: single schema-migrator container for both sync/async migrations
- Remove Kubernetes HOTRod files (will be migrated to charts)
- Fetch histogram-quantile from release instead of local binary mount
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Signed-off-by: Prashant Shahi <prashant@signoz.io>
