Use rendering hook for link (#716)

Signed-off-by: hossainemruz <hossainemruz@gmail.com>

Signed-off-by: hossainemruz <hossainemruz@gmail.com>

layouts/_default/_markup/render-link.html

@@ -0,0 +1 @@
+<a href="{{ .Destination | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}{{ if strings.HasPrefix .Destination "http" }} target="_blank" rel="noopener"{{ end }}>{{ .Text | safeHTML }}</a>

layouts/partials/footer.html

@@ -169,7 +169,7 @@
               <form method='post' action='https://blogtrottr.com'>
               <div class="form-group">
               <input type='email' class="form-control" name='btr_email' placeholder="{{ i18n "newsletter_input_placeholder" }}"/><br />
-              <input type='hidden' name='btr_url' value='{{ "" | absLangURL }}index.xml' />
+              <input type='hidden' name='btr_url' value='{{ "" | absLangURL }}/index.xml' />
               <input type='hidden' name='schedule_type' value='1' />
               <small id="emailHelp" class="form-text text-muted">{{ i18n "newsletter_warning" }}</small>
               <button type="submit" class="btn btn-info"> {{ i18n "submit" }} </button>