add ghostty config and theme

configs/ghostty_g/themes/purplepeter

@@ -0,0 +1,21 @@
+palette = 0=#0a0520
+palette = 1=#ff796d
+palette = 2=#99b481
+palette = 3=#efdfac
+palette = 4=#66d9ef
+palette = 5=#e78fcd
+palette = 6=#ba8cff
+palette = 7=#ffba81
+palette = 8=#100b23
+palette = 9=#f99f92
+palette = 10=#b4be8f
+palette = 11=#f2e9bf
+palette = 12=#79daed
+palette = 13=#ba91d4
+palette = 14=#a0a0d6
+palette = 15=#b9aed3
+background = 2a1a4a
+foreground = ece7fa
+cursor-color = c7c7c7
+selection-background = 8689c2
+selection-foreground = 271c50