add ghostty config and theme

configs/ghostty_g/themes/Dimidium

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#cf494c
+palette = 2=#60b442
+palette = 3=#db9c11
+palette = 4=#0575d8
+palette = 5=#af5ed2
+palette = 6=#1db6bb
+palette = 7=#bab7b6
+palette = 8=#817e7e
+palette = 9=#ff643b
+palette = 10=#37e57b
+palette = 11=#fccd1a
+palette = 12=#688dfd
+palette = 13=#ed6fe9
+palette = 14=#32e0fb
+palette = 15=#d3d8d9
+background = 141414
+foreground = bab7b6
+cursor-color = 37e57b
+selection-background = 8db8e5
+selection-foreground = 141414