Use i18n for "SEE ALSO" string

i18n/en.yaml

@@ -11,6 +11,9 @@ browser_no_video_support:
 latest_posts:
   other: "Latest Posts"
 
+see_also:
+  other: "SEE ALSO:"
+
 
 # Meta items
 long_date:

i18n/es.yaml

@@ -8,6 +8,9 @@ table_of_contents:
 browser_no_video_support:
   other: "Tu navegador de internet no admite video."
 
+see_also:
+  other: "Véase también:"
+
 
 # Meta items
 long_date:

layouts/shortcodes/see-also.html

@@ -1,6 +1,6 @@
 <div class="see-also">
     {{ with .Site.GetPage (.Get 0) }}
-        <p>SEE ALSO: <a href="{{ .Permalink }}">{{ .Title }}</a></p>
+        <p>{{ i18n "see_also" }} <a href="{{ .Permalink }}">{{ .Title }}</a></p>
     {{ else }}
         {{ errorf "Page could not be found for see-also shortcode: %s" .Position }}
     {{ end }}