Get auth token from bitwarden api
Create a post request with application/x-www-form-urlencoded as Content-Type header.
py
# request -> body -> x-www-form-urlencoded
grant_type=client_credentials
scope=api
client_id=<client_id>
client_secret=<client_secret>
deviceName=fireFox
twoFactorToken=0
deviceIdentifier=0
deviceType=0