Add tags,device roles,tenants.. (#110)

* Adds support for:

* sets the tenant for IP addresses and Devices.
* setting device tags
* setting the blade, chassis, and server roles.

Co-authored-by: Thomas Davis <tdavis@nersc.gov>
Co-authored-by: Solvik <solvik@solvik.fr>

netbox_agent.yaml.example

@@ -8,6 +8,22 @@ network:
   # enable auto-cabling
   lldp: true
 
+#
+# You can use these to change the roles.
+#
+#device:
+# chassis_role: "Server Chassis"
+# blade_role: "Blade"
+# server_role: "Server"
+# tags: server, blade, ,just a comma,delimited,list
+
+#
+# Use this to set the tenant
+#
+#tenant:
+# driver: "file:/tmp/tenant"
+# regex: "(.*)"
+
 datacenter_location:
  driver: "cmd:cat /etc/qualification | tr [a-z] [A-Z]"
  regex: "DATACENTER: (?P<datacenter>[A-Za-z0-9]+)"