add dev example

[menelike]

I like the idea behind this library.
For further help a default example is missing. Ideally like npm run dev in react-grid-layout.

[plandem]

will try to do it today/tomorrow. never did any npm modules, only used :)

[menelike]

sounds great, I help where I can, new to npm myself :)

[bytewiz]

Did you manage to build this? because I am actually doing it for one project currently so can drop it here afterwards with and example? :)

[plandem]

nope,i decided don't spend time on module. Just integrated like here and that's all :)