* Add scaling settings
- sizeCoef will scale the size directly from the setting value, default 1x is the same as the current size.
- proximityScaling will scale the size based on the distance between the observer and the pointer, 2x as large at maxRange, 0.25x at 0m distance.
* fix slider decimal value
* bug fix
* Optimizations with private, params, and isEqualType
* Fixed tab being used instead of space
* Fixed tabs inserted by notepad++
* More usage of new private syntax and params
- changed a few checks for an array being empty to `_arr isEqualTo []`
rather than `count _arr == 0`
- added more uses of `private` on the same line as the variable is
declared
- added more uses of params to assign variables passed as parameters
- removed unnecessary parentheses
- removed several unnecessary variable declarations with private array
syntax
* clean up and formatting
