Make signup page no-index

src/pages/signup.astro

@@ -8,6 +8,7 @@ import BaseLayout from '../layouts/BaseLayout.astro';
   title='Signup - roadmap.sh'
   description='Register yourself to receive occasional emails about new roadmaps, updates, guides and videos'
   permalink={'/signup/'}
+  noIndex={true}
 >
   <div class='container'>
     <div