add ghostty config and theme

configs/ghostty_g/themes/flexoki-dark

@@ -0,0 +1,21 @@
+palette = 0=#1c1b1a
+palette = 1=#d14d41
+palette = 2=#879a39
+palette = 3=#d0a215
+palette = 4=#4385be
+palette = 5=#ce5d97
+palette = 6=#3aa99f
+palette = 7=#b7b5ac
+palette = 8=#575653
+palette = 9=#d14d41
+palette = 10=#879a39
+palette = 11=#d0a215
+palette = 12=#4385be
+palette = 13=#ce5d97
+palette = 14=#3aa99f
+palette = 15=#cecdc3
+background = 1c1b1a
+foreground = cecdc3
+cursor-color = cecdc3
+selection-background = cecdc3
+selection-foreground = 4385be