add ghostty config and theme

configs/ghostty_g/themes/Grape

@@ -0,0 +1,21 @@
+palette = 0=#2d283f
+palette = 1=#ed2261
+palette = 2=#1fa91b
+palette = 3=#8ddc20
+palette = 4=#487df4
+palette = 5=#8d35c9
+palette = 6=#3bdeed
+palette = 7=#9e9ea0
+palette = 8=#59516a
+palette = 9=#f0729a
+palette = 10=#53aa5e
+palette = 11=#b2dc87
+palette = 12=#a9bcec
+palette = 13=#ad81c2
+palette = 14=#9de3eb
+palette = 15=#a288f7
+background = 171423
+foreground = 9f9fa1
+cursor-color = a288f7
+selection-background = 493d70
+selection-foreground = 171422