SuperPixel Text Antialiasing

Very small mod that patches the hardcoded subpixel text antialiasing with whatever value is inside the VintagestoryData/ModConfig/TextAA.json file. Available values are any of the options that Cairo supports:

 - Subpixel (Vintage Story default)

 - Grayscale (SuperPixel™ default, better in some situations)

 - Best (Vintage Story code says this can be wonky on Linux, Cairo says this may be an alias for Subpixel)

 - Good (Cairo says this might be an alias for Grayscale on some systems)

 - Fast (Cairo says this might be an alias for Grayscale on some systems, maybe with less quality?)

 - Default (Let Cairo take the wheel)

 - None

I added these options just in case anyone wants to mess around, but if you need this mod, you can just set it and forget it. The situations where you'll need anything but Grayscale (mod enabled) and Subpixel (mod disabled) are basically imaginary.

Note that this, like all mods, can only take effect once a game world is loaded. So like while I used the welcome message to demonstrate the problem in the screenshot, you can't actually use the welcome message to check if it's actually working or not.

Major thanks to kcil on the forums for doing all the research to figure out how to make this possible!