How to set OIDC authentication provider at startup
ctfreak run \
-set-main-oidc-auth-provider-name="Google" \
-set-main-oidc-auth-provider-client-id="XXXXX.apps.googleusercontent.com" \
-set-main-oidc-auth-provider-client-secret="YYYYY" \
-set-main-oidc-auth-provider-discovery-endpoint="https://accounts.google.com/.well-known/openid-configuration"