Enable McNotify

.github/mcnotify.yml

@@ -0,0 +1,13 @@
+# Configuration for McNotify - https://github.com/dessant/mcnotify
+
+subscriptions:
+  - events:
+      # Events which trigger notifications
+      labeled: API-break
+    # Issue used for posting notifications
+    issue: 5560
+    # Comment to post on the notification thread. Optional placeholders: {label},
+    # {issue-author}, {issue-title} and {issue-url}
+    comment: >
+      @{issue-author} proposed the following change: "{issue-title}".
+      Please follow the changes or comment at {issue-url}.