add ghostty config and theme

configs/ghostty_g/themes/nord

@@ -0,0 +1,21 @@
+palette = 0=#3b4252
+palette = 1=#bf616a
+palette = 2=#a3be8c
+palette = 3=#ebcb8b
+palette = 4=#81a1c1
+palette = 5=#b48ead
+palette = 6=#88c0d0
+palette = 7=#e5e9f0
+palette = 8=#4c566a
+palette = 9=#bf616a
+palette = 10=#a3be8c
+palette = 11=#ebcb8b
+palette = 12=#81a1c1
+palette = 13=#b48ead
+palette = 14=#8fbcbb
+palette = 15=#eceff4
+background = 2e3440
+foreground = d8dee9
+cursor-color = eceff4
+selection-background = eceff4
+selection-foreground = 4c566a