add ghostty config and theme

configs/ghostty_g/themes/OceanicMaterial

@@ -0,0 +1,21 @@
+palette = 0=#000000
+palette = 1=#ee2b2a
+palette = 2=#40a33f
+palette = 3=#ffea2e
+palette = 4=#1e80f0
+palette = 5=#8800a0
+palette = 6=#16afca
+palette = 7=#a4a4a4
+palette = 8=#777777
+palette = 9=#dc5c60
+palette = 10=#70be71
+palette = 11=#fff163
+palette = 12=#54a4f3
+palette = 13=#aa4dbc
+palette = 14=#42c7da
+palette = 15=#ffffff
+background = 1c262b
+foreground = c2c8d7
+cursor-color = b3b8c3
+selection-background = 6dc2b8
+selection-foreground = c2c8d7