Add item on nav

[mateusortiz]

I added an item in the footer menu, which will guide on how to organize an event, making it more easy to be found

[zenorocha]

I think this link should be included in the braziljs.org/eventos page

[mateusortiz]

@zenorocha Included guide in the braziljs.org/eventos page

[diogomoretti]

Obrigado @mateusortiz!

[mateusortiz]

:wink: @diogomoretti

[zenorocha]

Valeu @mateusortiz :D

[mateusortiz]

:wink: @zenorocha