[Feature]: Cluster awareness

What is the installation method of your PatchMon server?

Docker

What is the version of your PatchMon server?

2.0.0

Briefly describe the feature

Cluster Awareness

Detailed description

Some products and hence the underlaying OS needs to a specific order of events. Pre and Post scripts are coming but patching cluster solutions will been to have machines grouped and and order set when patching is required.

One example in our fleet is

https://www.packetfence.org/doc/PacketFence_Upgrade_Guide.html#_apply_maintenance_patches

Why is this useful?

Having this awareness in the patching process I feel would be needed also by other more complex patching processes, when you are looking at moving what is now a manual task into an automated one using patchmon