Address macOS security issues in README
@@ -52,6 +52,10 @@ start_appinventor
Press Ctrl+C to quit the server. Enter exit at the prompt to leave the virtual machine. To reclaim resources when you are not actively developing, you can run `vagrant halt` to stop the virtual machine. To completely remove the virtual machine, run `vagrant destroy`. If you destroy the VM, you will need to start these instructions from the top.
+Note 1: For macOS users, if you are using VirtualBox and get any error while initializing the VM it may be due to security restrictions in System Preferences, consider reading [this](https://medium.com/@Aenon/mac-virtualbox-kernel-driver-error-df39e7e10cd8) article.
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+Note 2: If it seems like none of the dependencies are installed in the VM, run ```vagrant provision```.
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For better performance, consider using the manual instructions.
## Setup instructions (manual)
