### Description of the change
Redesigned ingress configuration to align better with implicit best practices.
### Benefits
- Smarter defaults
- More tests
- Remove [deprecated API Versions](extensions/v1beta1) (e.g. `extensions/v1beta1`) and always use `networking.k8s.io/v1`
### Possible drawbacks
Hopefully 🙃 none
### Applicable issues
fix#674
### Additional information
- Define `ingress.annotations` via helpers
- Move tests from `tests/deployment` to `tests/ingress`
- Use own tests file for ingress tpl tests
- Ensure defaults of `path` and `pathType` are always rendered
- Set top-level default value for `ingress. pathType`
- Change default of `ingress.hosts[0].paths` to `[]` to ensure proper rendering via template
### âš BREAKING
I think all of these changes should be backward comp with existing ingress definitions, but surely worth highlighting in the changelog of the release.
### Checklist
<!-- [Place an '[X]' (no spaces) in all applicable fields. Please remove unrelated fields.] -->
- [x] Parameters are documented in the `values.yaml` and added to the `README.md` using [readme-generator-for-helm](https://github.com/bitnami-labs/readme-generator-for-helm)
- [x] Breaking changes are documented in the `README.md`
- [x] Templating unittests are added
Co-authored-by: justusbunsi <justusbunsi@noreply.gitea.com>
Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Reviewed-on: https://gitea.com/gitea/helm-gitea/pulls/679
Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-committed-by: pat-s <patrick.schratz@gmail.com>
