add ghostty config and theme

configs/ghostty_g/themes/Blue Matrix

@@ -0,0 +1,21 @@
+palette = 0=#101116
+palette = 1=#ff5680
+palette = 2=#00ff9c
+palette = 3=#fffc58
+palette = 4=#00b0ff
+palette = 5=#d57bff
+palette = 6=#76c1ff
+palette = 7=#c7c7c7
+palette = 8=#686868
+palette = 9=#ff6e67
+palette = 10=#5ffa68
+palette = 11=#fffc67
+palette = 12=#6871ff
+palette = 13=#d682ec
+palette = 14=#60fdff
+palette = 15=#ffffff
+background = 101116
+foreground = 00a2ff
+cursor-color = 76ff9f
+selection-background = c1deff
+selection-foreground = 000000