more rendering options to New Chunks

[cqb13]

Description

Added an option to change the height of rendered chunks in new chunks, as well as the ability to switch between box, lines, and both rendering modes.

Related Issue

#141

Motivation and Context

This change allows for greater customization of the new chunks module.
#141

How Has This Been Tested?

I have tested this change by going into a creative world and changing all the rendering modes (box, lines, both), all worked as intended. I have also been playing with this module on a normal survival server and have found on issues.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• My code follows the code style of this project.
• Have you successfully ran tests with your changes locally?