fix(pages): Catching visual headline

Signed-off-by: Valentin Popov <info@valentineus.link>

_layouts/page.html

@@ -8,6 +8,7 @@ layout: default
     <header>
         <h1 aria-level="1" role="heading">
             {{ page.title | default: site.title | strip_newlines | strip_html | strip | normalize_whitespace | smartify | xml_escape }}
+            <hr />
         </h1>
     </header>
 

_layouts/post.html

@@ -8,6 +8,7 @@ layout: default
     <header>
         <h1 aria-level="1" role="heading">
             {{ page.title | default: site.title | strip_newlines | strip_html | strip | normalize_whitespace | smartify | xml_escape }}
+            <hr />
         </h1>
     </header>