OpenSCAD Module_Help

I got tired of cracking open libraries that I wrote and trying to decipher the comments and documentation that I left for myself. Instead, I thought it would be nice if I could just `use ` and then call `help_libraryName()` to get a list of the available functions and module calls.

This is an attempt to add a standardized way of documenting modules.

The current version will be hosted on Git Hub: https://github.com/txoof/module_help

Add the module help_YourLibraryNameHere() {} to your Op