feat(devops): add Solana quant bot K8s/Helm, CI/CD, observability, and funding
- Add solana-quant-bot deployment + ClusterIP service templates
- Add solana-rpc ExternalName service for Helius/QuickNode
- Add Alembic migration init job template
- Update values.yaml: solana-rpc, bot config, new Kafka topics, observability
- Update configmap with Solana RPC endpoint via internal DNS
- Update network policies: bot ingress/egress, postgres/redis/kafka access
- Update CI/CD workflow: build/push/deploy solana-quant-bot service
- Add Prometheus ServiceMonitor, PrometheusRules (alerts)
- Add Grafana dashboard ConfigMap (trades, latency, balance, P&L)
- Add initial funding script with dry-run and verification modes
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