Update mls.json

Add PATWG entry for ML, based on PATCG model
- currently only the "meetings" repo

Author: tjwhalen

mls.json

@@ -118,6 +118,19 @@
 		]
     }
   },
+	
+"[email protected]": {
+    "w3c/patwg/meetings": {
+      "events": [
+        "issues.opened",
+        "issues.closed",
+        "issue_comment.created",
+        "pull_request.opened",
+        "pull_request.closed",
+        "pull_request.labeled"
+      ]
+    },
+   
     "[email protected]": {
       "digest:tuesday": {
         "topic": "WebRTC WG specifications",