add ghostty config and theme

configs/ghostty_g/themes/Galaxy

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#f9555f
+palette = 2=#21b089
+palette = 3=#fef02a
+palette = 4=#589df6
+palette = 5=#944d95
+palette = 6=#1f9ee7
+palette = 7=#bbbbbb
+palette = 8=#555555
+palette = 9=#fa8c8f
+palette = 10=#35bb9a
+palette = 11=#ffff55
+palette = 12=#589df6
+palette = 13=#e75699
+palette = 14=#3979bc
+palette = 15=#ffffff
+background = 1d2837
+foreground = ffffff
+cursor-color = bbbbbb
+selection-background = b5d5ff
+selection-foreground = 000000