Add support Kubeflow operators to ROADMAP (#1145)

* Add support operators to ROADMAP

* Rename HP to Common

* Add metadata to ROADMAP

* Rename operators step

* Add step for KFP

* Add link to Kubeflow issue

ROADMAP.md

@@ -17,16 +17,19 @@
 
 ## Enhancements
 
-### Hyperparameter Tuning
+### Common
 
 - Delete Suggestion deployment after Experiment is finished [#1061](https://github.com/kubeflow/katib/issues/1061)
 - Save Suggestion state after deployment is deleted [#1062](https://github.com/kubeflow/katib/issues/1062)
 - Reconsider the design of Trial Template [#906](https://github.com/kubeflow/katib/issues/906)
+- Design an extensible model for integrating with custom resources.
 - Add validation for algorithms (a.k.a suggestions) [#1126](https://github.com/kubeflow/katib/issues/1126)
+- Katib UI fixes and enhancements
+- Investigate Kubeflow Metadata integration
+- Investigate the alignment with concept and implementation of "experiments" and "jobs/runs" in KFP [#4955](https://github.com/kubeflow/kubeflow/issues/4955)
 
 ### Neural Architecture Search
 
 - Refactor structure for NAS algorithms [#1125](https://github.com/kubeflow/katib/issues/1125)
 - Refactor the design for NAS model constructor [#1127](https://github.com/kubeflow/katib/issues/1127)
-- Katib UI fixes and enhancements
 - ENAS enhancements such as micro mode, RNN support