add ghostty config and theme

configs/ghostty_g/themes/Seti

@@ -0,0 +1,21 @@
+palette = 0=#323232
+palette = 1=#c22832
+palette = 2=#8ec43d
+palette = 3=#e0c64f
+palette = 4=#43a5d5
+palette = 5=#8b57b5
+palette = 6=#8ec43d
+palette = 7=#eeeeee
+palette = 8=#323232
+palette = 9=#c22832
+palette = 10=#8ec43d
+palette = 11=#e0c64f
+palette = 12=#43a5d5
+palette = 13=#8b57b5
+palette = 14=#8ec43d
+palette = 15=#ffffff
+background = 111213
+foreground = cacecd
+cursor-color = e3bf21
+selection-background = 303233
+selection-foreground = cacecd