Update stuff

config/dot/ghostty/themes/IBM 5153 CGA (Black)

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+palette = 0=#000000
+palette = 1=#c40000
+palette = 2=#00c400
+palette = 3=#c47e00
+palette = 4=#0000c4
+palette = 5=#c400c4
+palette = 6=#00c4c4
+palette = 7=#c4c4c4
+palette = 8=#4e4e4e
+palette = 9=#dc4e4e
+palette = 10=#4edc4e
+palette = 11=#f3f34e
+palette = 12=#4e4edc
+palette = 13=#f34ef3
+palette = 14=#4ef3f3
+palette = 15=#ffffff
+background = #000000
+foreground = #c4c4c4
+cursor-color = #c4c4c4
+cursor-text = #000000
+selection-background = #c4c4c4
+selection-foreground = #000000