feat: generate Alacritty files in toml instead of yaml (#158)

Newer versions of Alacritty use the toml format instead of yaml.

extras/alacritty/duckbones.toml

@@ -0,0 +1,25 @@
+# This file is auto-generated by shipwright.nvim
+[colors.bright]
+black = "#2B2F46"
+red = "#FF4821"
+green = "#58DB9E"
+yellow = "#F6A100"
+blue = "#00B4E0"
+magenta = "#B3A1E6"
+cyan = "#00B4E0"
+white = "#B3B692"
+[colors.cursor]
+cursor = "#EDF2C2"
+text = "#0E101A"
+[colors.normal]
+black = "#0E101A"
+blue = "#00A3CB"
+cyan = "#00A3CB"
+green = "#5DCD97"
+magenta = "#795CCC"
+red = "#E03600"
+white = "#EBEFC0"
+yellow = "#E39500"
+[colors.primary]
+background = "#0E101A"
+foreground = "#EBEFC0"