add ghostty config and theme

configs/ghostty_g/themes/Neon

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#ff3045
+palette = 2=#5ffa74
+palette = 3=#fffc7e
+palette = 4=#0208cb
+palette = 5=#f924e7
+palette = 6=#00fffc
+palette = 7=#c7c7c7
+palette = 8=#686868
+palette = 9=#ff5a5a
+palette = 10=#75ff88
+palette = 11=#fffd96
+palette = 12=#3c40cb
+palette = 13=#f15be5
+palette = 14=#88fffe
+palette = 15=#ffffff
+background = 14161a
+foreground = 00fffc
+cursor-color = c7c7c7
+selection-background = 0013ff
+selection-foreground = 08d2cf