What about including a jQuery QueryBuilder demo?

[dannevesdantas]

Hi,

I would like to ask if the adition of a demo integrating RulesEngine and jQuery QueryBuilder in the /demo folder would be valuable to the project and the community.

jQuery QueryBuilder is an UI component to create queries and filters. It can be used to build rich user interfaces and its able to generate rules definitions in the JSON format that, after converted from jQuery QueryBuilder format to linq, can be evaluated by RulesEngine 🚀

The Dynamic Linq Query Builder could be used as a bridge to convert the rules provided by jQuery QueryBuilder to the linq format.

If so, I would also like to check if I can send a PR containing a demo to evaluation.

For more info about jQuery QueryBuilder please visit https://querybuilder.js.org/demo.html

Thanks!