Update README.md (googleworkspace#514)

Author: vinay-google

gmail-sentiment-analysis/README.md

@@ -20,6 +20,8 @@ Google Workspace Add-on that extends Gmail and adds sentiment analysis capabilit
 1. Add OAuth2 v43 Apps Script Library using the ID `1B7FSrk5Zi6L1rSxxTDgDEUsPzlukDsi4KGuTMorsTQHhGBzBkMun4iDF`.
 1. Add the project code to Apps Script
 
+Alternatively, make a copy of this [Apps Script project](https://script.google.com/corp/home/projects/1Z2gfvr0oYn68ppDtQbv0qIuKKVWhvwOTr-gCE0GFKVjNk8NDlpfJAGAr)
+
 ## Usage
 
 1. Create a label in Gmail with this exact text and emojy (case sensitive!): UPSET TONE 😡
@@ -28,4 +30,4 @@ Google Workspace Add-on that extends Gmail and adds sentiment analysis capabilit
 1. The Add-on will load. Click on the blue button "Identify angry customers."
 1. Close the Add-on by clicking on the X in the top right corner.
 1. It can take a couple of minutes until the label is applied to the messages that have a negative tone.
-1. If you don't want to wait until the labels are added, you can refresh the browser.
+1. If you don't want to wait until the labels are added, you can refresh the browser.