[influxdbv2] Generate Read Only, Read Write Only, and Write Only users and their respective Access Tokens

[shantanoo-desai]

Description

Generate an executable bash script to be mounted into /docker-entrypoint-initdb.d, since InfluxDBv2 does not provide environment variables to set specific users with restricted access / privileges

References

• Custom Initialization Scripts for InfluxDBv2 images
• influx auth create Documentation for Access Token Generation