Setting name for gitrepository/kustomization

[grzegorzgniadek]

What this PR does / why we need it:

Feature that add ability to set custom name for gitrepository/kustomization flux-sync resources

Which issue this PR fixes

• fixes #209

  Checklist

  • [x] DCO signed
  • [x] Chart Version bumped
  • [x] helm-docs are updated
  • [x] Helm chart is tested
  • [x] Update artifacthub.io/changes in Chart.yaml
  • [x] Run make reviewable

[grzegorzgniadek]

Hi @haarchri can you take a look?