add deactivation of the macOS reactions feature as a tip (#13)

README.md

@@ -109,6 +109,7 @@ The previous items were specific to your participation to our livestream. We als
 ### Prepare your demonstration
 
 - If your demo is complicated, require multiple steps, is too long, or if you think something could go wrong, for whatever reasons, prepare a final version with the end result as a safeguard. An example, when we want to show how to create an AWS cluster with kubefirst, we will show how to get started, but because the full process is about 25 minutes (multiple resources are needed on AWS to create a production-ready Kubernetes cluster), we will have another cluster already created.
+- If you are using macOS Sonoma or later version, you should [deactivate the reactions feature](https://support.apple.com/en-ca/105117#reactions).
 
 ### During the show
 

styles/Vocab/base/accept.txt

@@ -70,6 +70,7 @@ Reloader
 routable
 
 # S
+Sonoma
 statestore
 subnet