[Umbrella] Helm Chart improvements

[pan3793]

Code of Conduct

• I agree to follow this project's Code of Conduct

Search before asking

• I have searched in the issues and found no similar issues.

Describe the proposal

This is a umbrella ticket to track all improvements of Kyuubi Helm Chart, special thanks to
@dnskr for his efforts.

Task list

• Use eclipse-temurin:8-jdk-focal as default base image #4288
• Helm chart improvements #3976
• [K8S][HELM] Use recommended labels in helm chart #3980
• [K8S][HELM] Add configuration files support to helm chart #4004
• [K8S][HELM] Move helm chart to dedicated directory #4034
• Update Dockerfile to include LICENSE NOTICE RELEASE files #3831
• [K8S][HELM] Add volumes and volumeMounts support to helm chart #4043
• [K8S][HELM] Add initContainers and containers support to helm chart #4060
• [K8S][HELM] Add configuration support for multiple frontends to helm chart #4147
• [K8S][HELM] Comment license in helm chart NOTES #4313
• [DOCS][HELM] Refine helm chart docs #4314
• [K8S][HELM] Set specific Kyuubi version to the chart appVersion #4484
• [KYUUBI #4557][HELM] Kyuubi server should bind Pod IP by default #4561
• [HELM] Update template on port-foward usage guide NOTES.txt #4589
• [K8S][HELM] Set IfNotPresent pullPolicy by default #4605
• [K8S][HELM] Add command and args configuration support #4606

Are you willing to submit PR?

• Yes. I would be willing to submit a PR with guidance from the Kyuubi community to improve.
• No. I cannot submit a PR at this time.

[yaooqinn]

👍