Fix/ask nav link (jsonwebtoken#639)

Fix the Ask link in the main navigation

Author: Sambego

views/website/navigation.pug

@@ -12,7 +12,7 @@ nav.navbar.closed
         a(href='/#debugger-io').scrollto Debugger
         a(href='/libraries') Libraries
         a(href='/introduction') Introduction
-        a(href='https://community.auth0.com/c/%3Cspan%20class="x x-first x-last">identity/jwt', target='_blank') Ask
+        a(href='https://community.auth0.com/c/jwt%3Cspan%20class="x x-first x-last">/8', target='_blank') Ask
 
       .social
         a.a0(href='https://auth0.com/developers?utm_source=jwtio&utm_medium=navbar_whats_auth0&utm_campaign=jwt_nav_cta_12_2019', target='_blank')