Create Initialization SQL script

The helm chart configuration parameter customInitSQL can be used to create an SQL scrpit that will run by the OneDB server after first initialization. This script can be used to perform needed setup tasks, creation of databases, etc.
onedb: 
    customInitSQL:  |- 
        database sysadmin; 
        create database test with log; 
        create table t1 (col1 int, col2 int);