docs(readme): Update discord links to home-operations

[halkeye]

Description of the change

Update discord links to home-operations

Checklist

• [X] Title of the PR conforms to the Conventional Commits standard.
• [X] Scope of the of the PR title contains the chart name.
• [ ] Chart version in Chart.yaml has been bumped according to Semantic Versioning.
• [ ] Chart artifacthub.io/changes changelog annotation has been updated in Chart.yaml. See Artifact Hub documentation for more info.
• [ ] Variables have been documented in the values.yaml file.

[bjw-s]

Thanks for taking the time to submit the PR!!