add ghostty config and theme

configs/ghostty_g/themes/UltraViolent

@@ -0,0 +1,21 @@
+palette = 0=#242728
+palette = 1=#ff0090
+palette = 2=#b6ff00
+palette = 3=#fff727
+palette = 4=#47e0fb
+palette = 5=#d731ff
+palette = 6=#0effbb
+palette = 7=#e1e1e1
+palette = 8=#636667
+palette = 9=#fb58b4
+palette = 10=#deff8c
+palette = 11=#ebe087
+palette = 12=#7fecff
+palette = 13=#e681ff
+palette = 14=#69fcd3
+palette = 15=#f9f9f5
+background = 242728
+foreground = c1c1c1
+cursor-color = c1c1c1
+selection-background = 574c49
+selection-foreground = c3c7cb