Add support for configuring and overriding various settings

[relu]

Adding support for setting annotations on the Service resource.

Tasks:

• [x] I've made changes
• [x] I've bumped chart's version in Chart.yaml
• [x] I've added changes to charts CHANGELOG.md
• [x] I've run helm-docs

[MaikuMori]

Looks good to me!

EDIT: Looks like it fails to upgrade, let me look into that.