Add pre-commit hook for grunt-jsbeautifier

[JakeChampion]

Shall we add a pre-commit hook to make sure the project is adhering to the style guide before it gets committed?

Very trivial to implement but good to keep consistency in the project's codebase

[PaulKinlan]

I like the idea. Let's do it. Will need to keep project dependicies up to date as we need to check if node is installed etc.

[PaulKinlan]

@JakeChampion is this something that you would be able to do?

[JakeChampion]

@PaulKinlan I got around to doing this today, apologies for the delay.

[JakeChampion]

merged