Mark repo as host of rec-track work

dontcallmedom · web-flow · commit 6415b89eae42 · 2018-12-17T17:36:07.000+01:00
Per https://w3c.github.io/w3c.json.html
diff --git a/w3c.json b/w3c.json
@@ -1,4 +1,5 @@
  {
     "group":      ["46884"]
 ,   "contacts":   ["svgeesus"]
+,   "repo-type":  "rec-track"
 }
