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

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

extras/alacritty/kanagawabones.toml

@@ -0,0 +1,25 @@
+# This file is auto-generated by shipwright.nvim
+[colors.bright]
+black = "#3C3C51"
+red = "#EC818C"
+green = "#9EC967"
+yellow = "#F1C982"
+blue = "#7BC2DF"
+magenta = "#A98FD2"
+cyan = "#7BC2DF"
+white = "#A8A48D"
+[colors.cursor]
+cursor = "#E6E0C2"
+text = "#1F1F28"
+[colors.normal]
+black = "#1F1F28"
+blue = "#7EB3C9"
+cyan = "#7EB3C9"
+green = "#98BC6D"
+magenta = "#957FB8"
+red = "#E46A78"
+white = "#DDD8BB"
+yellow = "#E5C283"
+[colors.primary]
+background = "#1F1F28"
+foreground = "#DDD8BB"