Update ML destinations for github notifications.
 Also add staging and github details.
diff --git a/.asf.yaml b/.asf.yaml
index 3486904..1843974 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -1,2 +1,17 @@
+notifications:
+  commits:      commits@cassandra.apache.org
+  issues:       commits@cassandra.apache.org
+  pullrequests: pr@cassandra.apache.org
+
+github:
+  enabled_merge_buttons:
+    squash:  false
+    merge:   false
+    rebase:  true
+
+staging:
+  profile: ~
+  whoami:  asf-staging
+
 publish:
   whoami: master