chore: update next-item for hidden

closes #2032

public/_includes/_next-item.jade

@@ -6,7 +6,7 @@ for page, slug in data
 
   // CHECK IF CURRENT PAGE IS SET, THEN SET NEXT PAGE
   if currentPage
-    if !nextPage && page.nextable
+    if !nextPage && page.nextable && !page.hide
       .l-sub-section
         h3 Next Step
         a(href="/docs/#{current.path[1]}/#{current.path[2]}/#{current.path[3]}/#{slug}.html") #{page.title}
@@ -16,4 +16,4 @@ for page, slug in data
 
   // SET CURRENT PAGE FLAG WHEN YOU PASS IT
   if current.path[4] == slug
-    - var currentPage = true
+    - var currentPage = true