* Added the ability to draw a model as a point cloud

* Added example to demonstrate drawing a model as a point cloud

* polished the demo a bit

* picture for example

* adhere to conventions for example

* update png to match aspect ratio

* minor changes

* address code convention comments

* added point rendering to makefiles

* added point rendering to readme and renumbered examples

* comment formatting

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Co-authored-by: Reese Gallagher <re325479@ucf.edu.com>
Co-authored-by: Ray <raysan5@gmail.com>