add ghostty config and theme

configs/ghostty_g/themes/RetroLegends

@@ -0,0 +1,21 @@
+palette = 0=#262626
+palette = 1=#de5454
+palette = 2=#45eb45
+palette = 3=#f7bf2b
+palette = 4=#4066f2
+palette = 5=#bf4cf2
+palette = 6=#40d9e6
+palette = 7=#bfe6bf
+palette = 8=#4c594c
+palette = 9=#ff6666
+palette = 10=#59ff59
+palette = 11=#ffd933
+palette = 12=#4c80ff
+palette = 13=#e666ff
+palette = 14=#59e6ff
+palette = 15=#f2fff2
+background = 0d0d0d
+foreground = 45eb45
+cursor-color = 45eb45
+selection-background = 336633
+selection-foreground = f2fff2