Update app.py

app.py

@@ -40,6 +40,8 @@ title = """
         </div>
         <p style="margin-bottom: 10px;font-size: 94%;font-weight: 100;line-height: 1.5em;">
         Describe a musical prompt, generate music by getting a spectrogram image & sound.
+        <br /><a href="https://colab.research.google.com/drive/1FhH3HlN8Ps_Pr9OR6Qcfbfz7utDvICl0?usp=sharing" target="_blank"><img src="https://colab.research.google.com/assets/colab-badge.svg" /></a>
+        </p>
     </div>
 """