Add H2 database driver.

[sushnag22]

Describe the Issue (Bug/Feature) or Change log description

Feature: Add SBK driver for H2 database(https://h2database.com/html/main.html).

Purpose of the change

By adding the H2 database driver, we can get the performance benchmarking for it using SBK.

What the code does

The code and all its related files adds a driver for H2 database.

How to verify it

Use the command build\install\sbk\bin\sbk -class h2 -writers 1 -size 100 -seconds 100 to get the performance benchmarking for H2 database.