Specify that the livereload server uses http

This should make the server work out of the box

livereload/templatetags/livereload_tags.py

@@ -9,7 +9,7 @@
 def livereload_script():
     if settings.DEBUG:
         return format_html(
-        """<script src="{}:{}/livereload.js"></script>""",
+        """<script src="http://{}:{}/livereload.js"></script>""",
         livereload_host(),
         livereload_port(),
     )