add ghostty config and theme

configs/ghostty_g/themes/Argonaut

@@ -0,0 +1,21 @@
+palette = 0=#232323
+palette = 1=#ff000f
+palette = 2=#8ce10b
+palette = 3=#ffb900
+palette = 4=#008df8
+palette = 5=#6d43a6
+palette = 6=#00d8eb
+palette = 7=#ffffff
+palette = 8=#444444
+palette = 9=#ff2740
+palette = 10=#abe15b
+palette = 11=#ffd242
+palette = 12=#0092ff
+palette = 13=#9a5feb
+palette = 14=#67fff0
+palette = 15=#ffffff
+background = 0e1019
+foreground = fffaf4
+cursor-color = ff0018
+selection-background = 002a3b
+selection-foreground = ffffff