jsForms: update test system

Good day,
After the previous post , the testing system has been redone. Now it does not cause the browser to hang.

For the convenience of downloading the main script is rendered separately .
Made preliminary editorial tutorial .
As you can see, the UI design of the editor is disgusting, so I'm looking for a designer who could improve the editor and come up with a logo.
Project site .
Waiting for critics and suggestions.
UP: Problem solved with logo . Thank you underscorevint .