Restructuring Helm Chart

[t0byjohnson]

Moving to a more flexible chart.

• Restructuring Helm values to service oriented pattern
• Ability to disable FluentBit deployment
• Ability to disable StorageClass deployment
• Ability to disable externalDns deployment
• Ability to pass custom StorageClass
• Ability to pass annotations to pod template
• Ability to disable workdir deamonset and configmap

[bobotimi]

Thank you for your draft PR. Please note that we are in the process of updating the helm chart to make fluent bit, external dns and docker optional: See https://github.com/sonatype/nxrm3-helm-repository/pull/51