Speedy hack to make HTML files display, will need a more robust solution later

app/routes.py

@@ -140,10 +140,9 @@ def files(path):
 
 @app.route('/serve_file/<path:filepath>')
 def serve_file(filepath):
-    full_path = os.path.realpath(filepath)
     if not filepath.startswith(app.config["BUTTERBOX_USB_PATH"]):
         redirect(url_for('files', path=""))
-    return send_file(full_path)
+    return send_file("/" + filepath)
 
 @app.route('/login', methods=['GET', 'POST'])
 def login():