Add examples for resultSet.getRow and preparedStatement.executeBatch

[kartikmaji]

Add examples for resultSet.getRow() and preparedStatement.executeBatch() for faster JDBC operations.

Description

This provides an alternative for faster reads and writes in JDBC calls when using apps script in V8 runtime

Fixes # (issue)

Is it been tested?

• [Y ] Development testing done

Checklist

• [Y] My code follows the style guidelines of this project
• [Y] I have performed a self-review of my own code
• [Y] I have performed a peer-reviewed with team member(s)
• [Y] I have commented my code, particularly in hard-to-understand areas
• [Y] I have made corresponding changes to the documentation
• [N] My changes generate no new warnings
• [N] Any dependent changes have been merged and published in downstream modules