0916-custom shaders in ghostty

• install ghostty

brew install --cask ghostty

• download shaders (.glsl file) from https://github.com/KroneCorylus/ghostty-shader-playground/tree/main/shaders

• add config in ghostty

custom-shader = /Users/pointsource/.config/ghostty/shader_smear.glsl
custom-shader-animation = "true"

• reload config