add ghostty config and theme

configs/ghostty_g/themes/Raycast_Light

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#b12424
+palette = 2=#006b4f
+palette = 3=#f8a300
+palette = 4=#138af2
+palette = 5=#9a1b6e
+palette = 6=#3eb8bf
+palette = 7=#ffffff
+palette = 8=#000000
+palette = 9=#b12424
+palette = 10=#006b4f
+palette = 11=#f8a300
+palette = 12=#138af2
+palette = 13=#9a1b6e
+palette = 14=#3eb8bf
+palette = 15=#ffffff
+background = ffffff
+foreground = 000000
+cursor-color = 000000
+selection-background = e5e5e5
+selection-foreground = 000000