Update plugins.json (#60)

* Add Updating Description plugin
* Add Better Patchnotes plugin

Author: Megaclpb

plugins.json

@@ -38,5 +38,15 @@
     "name": "Deck Builder",
     "author": "clpb",
     "updateURL": "https://gist.github.com/Megaclpb/1043df6b5981badd06c00e63d3e5e331/raw/deckbuilder.user.js"
+  },
+  {
+    "name": "Updating Description",
+    "author": "clpb",
+    "updateURL": "https://gist.github.com/Megaclpb/6ef51dcd8c066f3f539394effd4123b9/raw/updatingdescription.user.js"
+  },
+  {
+    "name": "Better Patchnotes",
+    "author": "clpb",
+    "updateURL": "https://gist.github.com/Megaclpb/c25f261efcfc13d2dc37622a12538c78/raw/betterpatchnotes.user.js"
   }
 ]