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

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

extras/alacritty/neobones_dark.toml

@@ -0,0 +1,25 @@
+# This file is auto-generated by shipwright.nvim
+[colors.bright]
+black = "#263945"
+red = "#E8838F"
+green = "#A0FF85"
+yellow = "#D68C67"
+blue = "#92A0E2"
+magenta = "#CF86C1"
+cyan = "#65B8C1"
+white = "#98A39E"
+[colors.cursor]
+cursor = "#CEDDD7"
+text = "#0F191F"
+[colors.normal]
+black = "#0F191F"
+blue = "#8190D4"
+cyan = "#66A5AD"
+green = "#90FF6B"
+magenta = "#B279A7"
+red = "#DE6E7C"
+white = "#C6D5CF"
+yellow = "#B77E64"
+[colors.primary]
+background = "#0F191F"
+foreground = "#C6D5CF"