Adds the question mark to the /introduction page navbar

Author: pabloalvarezauth0

views/website/introduction.pug

@@ -49,8 +49,9 @@ block content
         a.a0(href='https://auth0.com/?utm_source=jwtio&utm_campaign=craftedby', target='_blank')
           span.by-text Crafted by
           img(src='/img/pic_logo_ft.svg', alt='Token Based Authentication')
+          span.crafted-by__question-mark ?
 
-      a.supported(href='https://auth0.com/', target="_blank")
+  a.supported(href='https://auth0.com/', target="_blank")
           | Supported by
           img(src='/img/ico_logo.svg')