[RFE] Provider Discovery via nmap

[chessbyte]

From this discussion

VMware vSpheres can be discovered as follows:

$ nmap --script vmware-version -p443 10.x.y.0/24
Nmap scan report for dev-vc67.example.com (10.x.y.z)
Host is up (0.030s latency).

PORT    STATE SERVICE
443/tcp open  https
| vmware-version: 
|   Server version: VMware vCenter Server 6.7.0
|   Build: 11338799
|   Locale version: INTL 000
|   OS type: linux-x64
|_  Product Line ID: vpx
Service Info: CPE: cpe:/o:vmware:vCenter Server:6.7.0

[miq-bot]

This issue has been automatically marked as stale because it has not been updated for at least 3 months.

If you can still reproduce this issue on the current release or on master, please reply with all of the information you have about it in order to keep the issue open.

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