add ghostty config and theme

configs/ghostty_g/themes/SpaceGray Bright

@@ -0,0 +1,21 @@
+palette = 0=#080808
+palette = 1=#bc5553
+palette = 2=#a0b56c
+palette = 3=#f6c987
+palette = 4=#7baec1
+palette = 5=#b98aae
+palette = 6=#85c9b8
+palette = 7=#d8d8d8
+palette = 8=#626262
+palette = 9=#bc5553
+palette = 10=#a0b56c
+palette = 11=#f6c987
+palette = 12=#7baec1
+palette = 13=#b98aae
+palette = 14=#85c9b8
+palette = 15=#f7f7f7
+background = 2a2e3a
+foreground = f3f3f3
+cursor-color = c6c6c6
+selection-background = cacaca
+selection-foreground = 000000