Workload pvcs

[salexo]

Description

• PVC created and mounted to workloads when requested via --storage flag
• PVC and configmap deleted when parent workload is deleted via owner reference and delete propagation policy
• HF_HOME env var set to use the PVC

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project. See contributing-guidelines.md
• Existing workload examples run after my changes (if applicable)
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[AVSuni]

Nice work! didn't try all workloads yet, but requesting changes now so you have something to work with.