cf info added (#400)

* update sourceUrl

as per: https://github.com/VCVRack/community/issues/397

* update gitmodule for TheXOR

* Update mscHack.json

* Update cf.json

manifests/cf.json

@@ -1,8 +1,10 @@
 {
   "name": "cf",
   "author": "cl\u00e9ment foulc",
+  "contactEmail": "c.foulc@gmail.com",
+  "authorUrl": "https://www.facebook.com/clement.foulc",
   "manualUrl": "https://github.com/cfoulc/cf/blob/master/README.md",
   "sourceUrl": "https://github.com/cfoulc/cf",
   "donateUrl": "https://www.paypal.me/cfoulc",
   "latestVersion": "0.5.16"
-}
+}