Support NeMo Launcher in Kubernetes

[TaekyungHeo]

Summary

Support NeMo Launcher in Kubernetes

Test Plan

1. CI passes
2. Run on a server

$ cloudai --mode install --system-config conf/common/system/kubernetes_cluster.toml --tests-dir conf/common/test
/root/theo/venv/lib/python3.10/site-packages/requests/__init__.py:102: RequestsDependencyWarning: urllib3 (1.26.20) or chardet (5.2.0)/charset_normalizer (2.0.12) doesn't match a supported version!
  warnings.warn("urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported "
[INFO] System configuration file: conf/common/system/kubernetes_cluster.toml
[INFO] Tests directory: conf/common/test
[INFO] Test scenario file: None
[INFO] Output directory: None
[WARNING] No JsonGenStrategy found for TestParser and KubernetesSystem
[WARNING] No JobIdRetrievalStrategy found for TestParser and KubernetesSystem
[WARNING] No JobStatusRetrievalStrategy found for TestParser and KubernetesSystem
[WARNING] No ReportGenerationStrategy found for TestParser and KubernetesSystem
[WARNING] No GradingStrategy found for TestParser and KubernetesSystem
[INFO] System Name: kubernetes-cluster
[INFO] Scheduler: kubernetes
[INFO] CloudAI is already installed.