add ghostty config and theme

configs/ghostty_g/themes/Wombat

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#ff615a
+palette = 2=#b1e969
+palette = 3=#ebd99c
+palette = 4=#5da9f6
+palette = 5=#e86aff
+palette = 6=#82fff7
+palette = 7=#dedacf
+palette = 8=#313131
+palette = 9=#f58c80
+palette = 10=#ddf88f
+palette = 11=#eee5b2
+palette = 12=#a5c7ff
+palette = 13=#ddaaff
+palette = 14=#b7fff9
+palette = 15=#ffffff
+background = 171717
+foreground = dedacf
+cursor-color = bbbbbb
+selection-background = 453b39
+selection-foreground = b6bbc0