add ghostty config and theme

configs/ghostty_g/themes/AdventureTime

@@ -0,0 +1,21 @@
+palette = 0=#050404
+palette = 1=#bd0013
+palette = 2=#4ab118
+palette = 3=#e7741e
+palette = 4=#0f4ac6
+palette = 5=#665993
+palette = 6=#70a598
+palette = 7=#f8dcc0
+palette = 8=#4e7cbf
+palette = 9=#fc5f5a
+palette = 10=#9eff6e
+palette = 11=#efc11a
+palette = 12=#1997c6
+palette = 13=#9b5953
+palette = 14=#c8faf4
+palette = 15=#f6f5fb
+background = 1f1d45
+foreground = f8dcc0
+cursor-color = efbf38
+selection-background = 706b4e
+selection-foreground = f3d9c4