install ngrok

Author: alex1115alex

Diff for: augmentos_cloud/packages/sdk/README.md

@@ -12,7 +12,7 @@ Download AugmentOS from [AugmentOS.org/install](https://AugmentOS.org/install)
 
 ### Set up ngrok
 
-1. Install ngrok: `brew install ngrok`
+1. [Install ngrok](https://ngrok.com/docs/getting-started/)
 2. Create an ngrok account
 3. [Set up a static address/URL in the ngrok dashboard](https://dashboard.ngrok.com/)