add ghostty config and theme

configs/ghostty_g/themes/Lavandula

@@ -0,0 +1,21 @@
+palette = 0=#230046
+palette = 1=#7d1625
+palette = 2=#337e6f
+palette = 3=#7f6f49
+palette = 4=#4f4a7f
+palette = 5=#5a3f7f
+palette = 6=#58777f
+palette = 7=#736e7d
+palette = 8=#372d46
+palette = 9=#e05167
+palette = 10=#52e0c4
+palette = 11=#e0c386
+palette = 12=#8e87e0
+palette = 13=#a776e0
+palette = 14=#9ad4e0
+palette = 15=#8c91fa
+background = 050014
+foreground = 736e7d
+cursor-color = 8c91fa
+selection-background = 37323c
+selection-foreground = 8c91fa