OIDC implementation in APIGEE X

[priyashikhar]

devrel/references/oidc-mock at main · apigee/devrel · GitHub  trying to download this code getting error- 

export PATH="$PATH:/home/priya_dwivedi/devrel/references/oidc-mock"priya_dwivedi@cloudshell:~/devrel/tools/apigee-sackmesser (z-sbx-agile-playground)$ sackmesser deploy --apigeeapi -o "$APIGEE_ORG" -e "$APIGEE_ENV" -u "$APIGEE_USER" -p "$APIGEE_PASS"
curl: (22) The requested URL returned error: 401 Unauthorized

need guidance how I can implement authorization by ODIC(OKTA) in APIGEE X.