Fix recent posts notification email footer link to root

Author: sseerrggii

app/views/organization_notifier/recent_posts.html.erb

@@ -38,7 +38,7 @@
     --
     <p>
       <%= t("mailers_globals.footer.text", organization_name: @organization_name) %>
-      <a href="<%= page_url('home', only_path: false) %>">
+      <a href="<%= root_url %>">
         TimeOverflow
       <a>
       <br />