setup authentication for reading google sheet

this reads from the environment (or Renviron file) to get configuration details for authenticating to a google sheets service note that this is nearly identical to gdrive_setup but only for google sheets google sheets has a different API and different permissions in the cloud console to read

Usage

gsheet_auth_setup(drive_email = NULL)

Arguments

drive_email

your preferred email, can be read from environment, set get_drive_email

Value

True/False if the authentication/setup was successful