adding W3C/IETF coord (#293)

adding W3C/IETF coord:

from here https://github.com/w3c/w3c-ietf-coord to here https://datatracker.ietf.org/iabasg/ietfw3c/about/

Author: simoneonofri

mls.json

@@ -1807,6 +1807,22 @@
       "topic": "Security"
     }
   },
+  "[email protected]": {
+    "w3c/w3c-ietf-coord": {
+      "events": [
+        "issues.opened",
+        "issues.closed",
+        "issue_comment.created",
+        "pull_request.opened",
+        "pull_request.closed",
+        "push"
+      ]
+    },
+    "digest:monday": {
+      "repos": ["w3c/w3c-ietf-coord"],
+      "topic": "W3C/IETF"
+    }
+  },
   "[email protected]": {
     "w3c/csswg-drafts": {
       "events": [