update app.py, add choice button for VisionTSpp base and large

app.py

@@ -222,7 +222,7 @@ def visual_ts_with_quantiles(true_data, pred_median, pred_quantiles_list, model_
         pred_range = np.arange(context_len-1, context_len + pred_len)
 
         pred_median_visual = np.concatenate([true_data[context_len-1:context_len, i], pred_median[:, i]])
-        print(pred_median_visual.shape)
+        # print(pred_median_visual.shape)
 
         ax.plot(pred_range, pred_median_visual, label='Prediction (Median)', color='red', linewidth=1.5)
         # ax.plot(pred_range, pred_median[:, i], label='Prediction (Median)', color='red', linewidth=1.5)