SEND_NRDP Python 3 Port

This is a direct port of the Python2 version of this plugin, which can be found here:
https://exchange.nagios.org/directory/Addons/Passive-Checks/send_nrdp-Python-NRDP-Client/details

usage: send_nrdp.py [options]

options:
-u URL, –url=URL ** REQUIRED ** The URL used to access the remote NRDP Server Usually: http:///nrdp/
agent.
-t TOKEN, –token=TOKEN
** REQUIRED ** The authentication token used to access
the remote NRDP agent.
-H HOSTNAME, –hostname=HOSTNAME
The name of the host associated with the passive
host/service check result.
-s SERVICE, –service=SERVICE
For service checks, the name of the service associated
with the passive check result.
-S STATE, –state=STATE
An integer indicating the current state of the host or
service.
-o OUTPUT, –output=OUTPUT
Text output to be sent as the passive check result.
Newlines should be encoded with encoded newlines (n).
-d DELIM, –delim=DELIM
With only the required parameters send_nrdp.py is
capable of processing data piped to it either from a
file or other process. By default, we use t as the
delimiter however this may be specified with the -d
option data should be in the following formats one
entry per line.
-c CHECKTYPE, –checktype=CHECKTYPE
1 for passive 0 for active
-h, –help show this help message and exit