clarify maintainers of the project

OWNERS.md

@@ -13,7 +13,13 @@ This will be built up when time comes.
 
 ## Maintainers
 
-We document the list of maintainers in the [GitHub team "Maintainer"](https://github.com/orgs/k8up-io/teams/maintainer/members).
+* Tobias Brunner <[email protected]> ([tobru](https://github.com/tobru))
+* Simon Beck <[email protected]> ([Kidswiss](https://github.com/Kidswiss))
+* Nicolas Bigler <[email protected]> ([TheBigLee](https://github.com/TheBigLee))
+* Łukasz Widera <[email protected]> ([wejdross](https://github.com/wejdross))
+* Gabriel Saratura <[email protected]> ([zugao](https://github.com/zugao))
+
+We also document the list of maintainers in the [GitHub team "Maintainer"](https://github.com/orgs/k8up-io/teams/maintainer/members).
 
 ## Reviewers
 

docs/modules/ROOT/pages/about/community.adoc

@@ -6,6 +6,11 @@ https://github.com/k8up-io/k8up/discussions[Discussions]:: The project has GitHu
 https://app.slack.com/client/T08PSQ7BQ/C06GP0D5FEF[Chat]:: We use the https://slack.cncf.io/[CNCF Slack Workspace] and are reachable in the #k8up channel.
 https://github.com/k8up-io/k8up[GitHub]:: The source code and issue tracking is available on _GitHub_ under https://github.com/k8up-io/k8up[k8up-io/k8up].
 
+[discrete]
+== Maintainer
+
+Current maintainers are documented in the https://github.com/k8up-io/k8up/blob/master/OWNERS.md[OWNERS.md] file.
+
 [discrete]
 == Project sponsor