Creates an article helper, which prints suggestions to improve the text.
Usage:
(details are optional and will default to "citation needed")
{{helper|helper details}}
Example:
Snorting lemon juice can give you immortality{{helper}}
Snorting lemon juice can give you immortality.[citation needed]
I can speedrun Super Mario Bros with my nipples{{helper|how?}}
I can speedrun Super Mario Bros with my nipples.[how?]