docs: updates readme to add service SID auth and cleans up AAD auth dupe info (#10541)
docs: updates readme to add service SID auth and cleans up AAD auth dupe info (#10541)


influxdata/telegraf,Brightspace/telegraf,influxdata/telegraf,nferch/telegraf,Brightspace/telegraf,influxdata/telegraf,nferch/telegraf,Brightspace/telegraf,nferch/telegraf