Add Alert information

README.md

@@ -4,3 +4,9 @@ This repo will be used for githost runbooks. Right now they are very sparse, but
 they will be robust and linked to from AlertManager during a page.
+# Alerts
+
+To add alerts, please see the [infrastructure runbook repo](https://gitlab.com/gitlab-com/runbooks/blob/master/howto/alerts_manual.md).
+This is the same process except substitute GitHost repos. You can mimic
+the [alerts we already have](https://gitlab.com/gitlab-com/githost-runbooks/tree/master/alerts) 
+as well. 
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