feat(ghostty): add initial ghostty config

ghostty/themes/gruvbox-material-soft-dark

@@ -0,0 +1,21 @@
+palette = 0=252423
+palette = 1=#ea6962
+palette = 2=#a9b665
+palette = 3=#d8a657
+palette = 4=#7daea3
+palette = 5=#d3869b
+palette = 6=#89b482
+palette = 7=#d4be98
+palette = 8=#32302f
+palette = 9=#ea6962
+palette = 10=#a9b665
+palette = 11=#d8a657
+palette = 12=#7daea3
+palette = 13=#d3869b
+palette = 14=#89b482
+palette = 15=#d4be98
+background = #32302f
+foreground = #d4be98
+cursor-color = #d4be98
+selection-background = #45403d
+selection-foreground = #d4be98