add ghostty config and theme

configs/ghostty_g/themes/Afterglow

@@ -0,0 +1,21 @@
+palette = 0=#151515
+palette = 1=#ac4142
+palette = 2=#7e8e50
+palette = 3=#e5b567
+palette = 4=#6c99bb
+palette = 5=#9f4e85
+palette = 6=#7dd6cf
+palette = 7=#d0d0d0
+palette = 8=#505050
+palette = 9=#ac4142
+palette = 10=#7e8e50
+palette = 11=#e5b567
+palette = 12=#6c99bb
+palette = 13=#9f4e85
+palette = 14=#7dd6cf
+palette = 15=#f5f5f5
+background = 212121
+foreground = d0d0d0
+cursor-color = d0d0d0
+selection-background = 303030
+selection-foreground = d0d0d0