Add jQCloud files to embed.html

Authored by Lucas_Werkmeister_WMDE on May 16 2018, 3:16 PM.

Description

Add jQCloud files to embed.html

Otherwise, an “e.jQCloud is not a function” error appears in the
console for any valid query (even just ASK {}).

Change-Id: I7265932eba3c0060c5076c42215e9880be6651f0