add ghostty config and theme

configs/ghostty_g/themes/MaterialOcean

@@ -0,0 +1,21 @@
+palette = 0=#546e7a
+palette = 1=#ff5370
+palette = 2=#c3e88d
+palette = 3=#ffcb6b
+palette = 4=#82aaff
+palette = 5=#c792ea
+palette = 6=#89ddff
+palette = 7=#ffffff
+palette = 8=#546e7a
+palette = 9=#ff5370
+palette = 10=#c3e88d
+palette = 11=#ffcb6b
+palette = 12=#82aaff
+palette = 13=#c792ea
+palette = 14=#89ddff
+palette = 15=#ffffff
+background = 0f111a
+foreground = 8f93a2
+cursor-color = ffcc00
+selection-background = 1f2233
+selection-foreground = 8f93a2