Add networks_nsxt dir, simple example
Add networks_nsxt dir, simple example

Define a directory for NSX-T sample code. Add a basic
example that shows how to authenticate to VMC/NSX-T and
make a simple read call.

Signed-Off-By: Gordon Good <357c6cd042c65e38a52fc9cc40c47924d92a9c54@vmware.com>

tianhao64/vsphere-automation-sdk-python,tianhao64/vsphere-automation-sdk-python