Add annotations to templates

[Thearas]

Pull Request

What does this PR do?

Implement #66 . I add annotations to pvc, svc and serviceAccount.

I saw that no one had done this issue and I just had the time😊. I am a beginner in Helm, if there is a mistake, please feel free to point out.

PTAL @eskombro

[Thearas]

Thanks for your comments 😊.

PTAL again @alallema

[alallema]

bors merge

[bors[bot]]

Build succeeded:

• check-chart-manifest-in-sync
• helm-tests
• linter