started migration to snowfall

_modules/home/desktop/terminal/alacritty.nix

@@ -0,0 +1,50 @@
+{
+  config,
+  lib,
+  pkgs,
+  user,
+  ...
+}: let
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkIf mkMerge;
+in {
+  options.modules.${user}.desktop.terminal.alacritty = let
+    inherit (lib.options) mkEnableOption;
+  in { enable = mkEnableOption "OpenGL terminal emulator"; };
+
+  config = mkIf config.modules.${user}.desktop.terminal.alacritty.enable {
+    modules.${user}.shell.toolset.tmux.enable = true;
+
+    home-manager.users.${user}.programs.alacritty = {
+      enable = true;
+
+      settings = mkMerge [
+        {
+          env = {
+            TERM = "xterm-256color";
+            WINIT_X11_SCALE_FACTOR = "1.0";
+          };
+
+          window.dynamic_title = true;
+
+          scrolling = {
+            history = 5000;
+            multiplier = 3;
+          };
+
+          selection = {
+            semantic_escape_chars = '',│`|:"' ()[]{}<>'';
+            save_to_clipboard = false;
+          };
+
+          general.live_config_reload = true;
+
+          terminal.shell = {
+            program = "${getExe pkgs.zsh}";
+            args = ["-l" "-c" "tmux new || tmux"];
+          };
+        }
+      ];
+    };
+  };
+}