Add SCM Bootstrap Support

[migara]

Introduce SCM bootstrapping support for examples. We can add an additional block of lines to support SCM bootstrapping and leave it commented out.

The user should be able to select the method of bootstrapping by uncommenting/commenting the required lines of code

https://docs.paloaltonetworks.com/vm-series/11-1/vm-series-deployment/bootstrap-the-vm-series-firewall/create-the-init-cfgtxt-file/init-cfgtxt-file-components

panorama-server=cloud
dgname=<scm folder name>
vm-series-auto-registration-pin-id
vm-series-auto-registration-pin-value