Add formatted var_dump to blade

[mo7amed-3bdalla7]

some developers using var_dump() so if we add this shortcut will be easy for them
{## $var ##}
instead of
{!! '<pre>'.var_dump($var).'</pre>' !!}

[decadence]

dump is better

[jakesylvestre]

@decadence is that in the documentation?

[taylorotwell]

No plans on adding this.

[decadence]

@jakesyl yes, on Helpers page.