fix: Disable the plugins autoembed and embedbase due to a recent breaking...

fix: Disable the plugins autoembed and embedbase due to a recent breaking chage, which requires configuration to make those plugins work properly. Closes #22 and see #24

plugins/activePlugins.json

 [
   "about",
   "ajax",
-  "autoembed",
   "autolink",
   "balloonpanel",
   "clipboard",
@@ -13,7 +12,6 @@
   "dialogadvtab",
   "div",
   "embed",
-  "embedbase",
   "find",
   "font",
   "html5audio",