Add documentationUrl to satisfy open.vanillaforums.com

JasonBarnabe · JasonBarnabe · commit 4b4912528640 · 2019-01-18T19:10:44.000-06:00
diff --git a/addon.json b/addon.json
@@ -6,6 +6,7 @@
     "license": "GNU GPL2",
     "version": "2.2",
     "mobileFriendly": true,
+    "documentationUrl" : "",
     "authors": [
         {
             "name": "Jason Barnabe",
