feat(home-manager): add support for alacritty (#22)

modules/home-manager/alacritty.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, lib, ... }:
+let cfg = config.programs.alacritty.catppuccin;
+in {
+  options.programs.alacritty.catppuccin = with lib; {
+    enable = mkEnableOption "Catppuccin theme";
+    flavour = mkOption {
+      type = types.enum [ "latte" "frappe" "macchiato" "mocha" ];
+      default = config.catppuccin.flavour;
+      description = "Catppuccin flavour for alacritty";
+    };
+  };
+
+  config.programs.alacritty.settings = with builtins;
+    with lib;
+    with pkgs;
+    let
+      # path -> a
+      # fromJSON but for yaml
+      fromYaml = file:
+        let
+          # convert to json
+          json = runCommand "converted.json" { } ''
+            ${yj}/bin/yj < ${file} > $out
+          '';
+        in fromJSON (readFile json);
+
+      file = fetchFromGitHub {
+        owner = "catppuccin";
+        repo = "alacritty";
+        rev = "3c808cbb4f9c87be43ba5241bc57373c793d2f17";
+        sha256 = "sha256-w9XVtEe7TqzxxGUCDUR9BFkzLZjG8XrplXJ3lX6f+x0=";
+      } + "/catppuccin-${cfg.flavour}.yml";
+
+    in mkIf cfg.enable (fromYaml file);
+}

modules/home-manager/default.nix

@@ -1,5 +1,6 @@
 { config, pkgs, lib, ... }: {
   imports = [
+    ./alacritty.nix
     ./bat.nix
     ./bottom.nix
     ./kitty.nix