add ghostty config and theme

configs/ghostty_g/themes/Misterioso

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#ff4242
+palette = 2=#74af68
+palette = 3=#ffad29
+palette = 4=#338f86
+palette = 5=#9414e6
+palette = 6=#23d7d7
+palette = 7=#e1e1e0
+palette = 8=#555555
+palette = 9=#ff3242
+palette = 10=#74cd68
+palette = 11=#ffb929
+palette = 12=#23d7d7
+palette = 13=#ff37ff
+palette = 14=#00ede1
+palette = 15=#ffffff
+background = 2d3743
+foreground = e1e1e0
+cursor-color = 000000
+selection-background = 2d37ff
+selection-foreground = 000000