docs/olm-integration/generation.md: add optional validator operatorhub docs
Description of the change:
Add doc on validation of custom categories
Motivation for the change:
Follow up of
@@ -153,6 +153,9 @@ bundle: ...
operator-sdk bundle validate ./bundle --select-optional name=operatorhub
```
+Documentation on optional validators:
+- [`operatorhub`][operatorhub_validator]
+
### Package manifests format
A [package manifests][package-manifests] format consists of on-disk manifests (CSV, CRDs and other supported kinds)
@@ -320,3 +323,4 @@ being managed, each with a `name` and `url`.
[csv-markers]:/docs/building-operators/golang/references/markers
[operatorhub]:https://operatorhub.io/
[scorecard]:/docs/advanced-topics/scorecard
+[operatorhub_validator]: https://olm.operatorframework.io/docs/tasks/validate-package/#validation
