Add Runframe integration to documentation

Signed-off-by: Nik <niketas918@gmail.com>

Author: niks918

docs/operating/integrations.md

@@ -108,6 +108,7 @@ For notification mechanisms not natively supported by the Alertmanager, the
   * [Phabricator / Maniphest](https://github.com/knyar/phalerts)
   * [prom2teams](https://github.com/idealista/prom2teams): forwards notifications to Microsoft Teams
   * [Rootly](https://docs.rootly.com/integrations/alertmanager): on-call & incident management
+  * [Runframe](https://runframe.io/integrations/prometheus): on-call, incident response, and status pages
   * [Ansible Tower](https://github.com/pja237/prom2tower): call Ansible Tower (AWX) API on alerts (launch jobs etc.)
   * [Robusta](https://docs.robusta.dev/master/configuration/alert-manager.html)
   * [Signal](https://github.com/dgl/alertmanager-webhook-signald)