multi select component

[s-cork]

• multi select functionality
• demo
• docs

[s-cork]

@meatballs - do you think it's worth refactoring the add_script into its own separate util function?

Any initial thoughts before I add the docs let me know.

[meatballs]

I'll try to have a look at this tomorrow

[meatballs]

Sorry it took me a while, but I've tried that out now and it's looking great. Nice work!

[s-cork]

Never any rush! great I'll have a go at documentation. And will mark it as ready for review when that's done.
Will also add the change event in the demo

[s-cork]

I think this might be a better library to use https://developer.snapappointments.com/bootstrap-select/examples/

[meatballs]

I think this might be a better library to use https://developer.snapappointments.com/bootstrap-select/examples/

Yeah, that does look nice.

[s-cork]

And it still supports bootstrap 3 which is a win

[s-cork]

There's a small bug - I think it conflicts with anvil's version so just need to check it works properly

[meatballs]

Just a couple of minor things from me. Looking good!