### Description of the change
This should clarify that we more and more rely on unittests for the templating behavior.
### Applicable issues
- fixes#199
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/455
Reviewed-by: pat-s <pat-s@noreply.gitea.com>
Co-authored-by: justusbunsi <justusbunsi@noreply.gitea.com>
Co-committed-by: justusbunsi <justusbunsi@noreply.gitea.com>