Update file_links to download files

Author: khemarato

��_includes/content_filelinks.html

@@ -6,7 +6,7 @@
     {% if include.content.file_links.size > 0 %}
         {%- for link in include.content.file_links -%}
             {% assign linkfmt = include.content.formats[forloop.index0] %}
-            <a class="btn" {% if include.newtab %}target="_blank"{% endif %} {% include content_link_data_attributes.html content=include.content linktype="Self-Hosted" linkfmt=linkfmt %} href="{{ site.data.content.filehost | append: link }}"><i class="fa{% case linkfmt %}{% when "pdf" %}r fa-file-pdf{% when "jpeg" %}r fa-file-image{% when "mp3" %}r fa-file-audio{% when "m4a" %}r fa-file-audio{% when "epub" %}s fa-tablet-alt{% when "png" %}r fa-file-image{% when "mp3s" %}r fa-file-open{% when "zip" %}r fa-file-archive{% when "pdfs" %}r fa-file-open{% when "wma" %}r fa-file-audio{% else %}r fa-file{% endcase %}"></i> {{ linkfmt }}</a>
+            <a download class="btn" {% if include.newtab %}target="_blank"{% endif %} {% include content_link_data_attributes.html content=include.content linktype="Self-Hosted" linkfmt=linkfmt %} href="{{ site.data.content.filehost | append: link }}"><i class="fas fa-cloud-arrow-down"></i> {{ linkfmt }}</a>
         {%- endfor -%}
     {%- endif -%}
     {%- if include.content.drive_links.size > 0 -%}