add ghostty config and theme

configs/ghostty_g/themes/Thayer Bright

@@ -0,0 +1,21 @@
+palette = 0=#1b1d1e
+palette = 1=#f92672
+palette = 2=#4df840
+palette = 3=#f4fd22
+palette = 4=#2757d6
+palette = 5=#8c54fe
+palette = 6=#38c8b5
+palette = 7=#ccccc6
+palette = 8=#505354
+palette = 9=#ff5995
+palette = 10=#b6e354
+palette = 11=#feed6c
+palette = 12=#3f78ff
+palette = 13=#9e6ffe
+palette = 14=#23cfd5
+palette = 15=#f8f8f2
+background = 1b1d1e
+foreground = f8f8f8
+cursor-color = fc971f
+selection-background = 4d4d4d
+selection-foreground = ffffff