Update app.py

app.py

@@ -20,9 +20,13 @@ def get_data():
     }
     return jsonify(data)
 
-@app.route('/')
-def serve():
-    return send_from_directory(app.static_folder, 'index.html')
+@app.route('/', defaults={'path': ''})
+@app.route('/<path:path>')
+def serve(path):
+    if path != "" and os.path.exists(app.static_folder + '/' + path):
+        return send_from_directory(app.static_folder, path)
+    else:
+        return send_from_directory(app.static_folder, 'index.html')
 
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=7860)