Added a button to download a video to the local device. (#137)

* Add video download button.

* Swapped <a> and <button> tags to fix theme issue.

* Download button renamed to `Download File`

tubearchivist/home/templates/home/video.html

@@ -45,6 +45,7 @@
                 {% else %}
                     <p>Youtube: Deactivated</p>
                 {% endif %}
+                <a download="" href="/media/{{ video.media_url }}"><button id="download-item">Download File</button></a>
                 <button onclick="deleteConfirm()" id="delete-item">Delete Video</button>
                 <div class="delete-confirm" id="delete-button">
                     <span>Are you sure? </span><button class="danger-button" onclick="deleteVideo(this)" data-id="{{ video.youtube_id }}" data-redirect = "{{ video.channel.channel_id }}">Delete</button> <button onclick="cancelDelete()">Cancel</button>
@@ -114,4 +115,4 @@
         {% endfor %}
     {% endif %}
 </div>
-{% endblock content %}
+{% endblock content %}