add ghostty config and theme

configs/ghostty_g/themes/darkermatrix

@@ -0,0 +1,21 @@
+palette = 0=#091013
+palette = 1=#002e18
+palette = 2=#6fa64c
+palette = 3=#595900
+palette = 4=#00cb6b
+palette = 5=#412a4d
+palette = 6=#125459
+palette = 7=#002e19
+palette = 8=#333333
+palette = 9=#00381d
+palette = 10=#90d762
+palette = 11=#e2e500
+palette = 12=#00ff87
+palette = 13=#412a4d
+palette = 14=#176c73
+palette = 15=#00381e
+background = 070c0e
+foreground = 28380d
+cursor-color = 373a26
+selection-background = 0f191c
+selection-foreground = 00ff87