add ghostty config and theme

configs/ghostty_g/themes/NvimLight

@@ -0,0 +1,21 @@
+palette = 0=#07080d
+palette = 1=#590008
+palette = 2=#005523
+palette = 3=#6b5300
+palette = 4=#004c73
+palette = 5=#470045
+palette = 6=#007373
+palette = 7=#eef1f8
+palette = 8=#4f5258
+palette = 9=#590008
+palette = 10=#005523
+palette = 11=#6b5300
+palette = 12=#004c73
+palette = 13=#470045
+palette = 14=#007373
+palette = 15=#eef1f8
+background = e0e2ea
+foreground = 14161b
+cursor-color = 9b9ea4
+selection-background = 9b9ea4
+selection-foreground = 14161b