home: add zsh module

home/default.nix

@@ -1,5 +1,6 @@
 { ... }:
 {
   imports = [
+    ./zsh.nix
   ];
 }

home/zsh.nix

@@ -0,0 +1,27 @@
+{ pkgs, ... }:
+{
+  programs.zsh = {
+    enable = true;
+    dotDir = ".config/zsh"; # Don't clutter $HOME
+    enableCompletion = true;
+
+    history = {
+      size = 50000;
+      ignoreSpace = true;
+      ignoreDups = true;
+      share = true;
+    };
+
+    plugins = with pkgs; [
+      {
+        name = "fast-syntax-highlighting";
+        src = fetchFromGitHub {
+          owner = "zdharma";
+          repo = "fast-syntax-highlighting";
+          rev = "v1.55";
+          sha256 = "sha256-DWVFBoICroKaKgByLmDEo4O+xo6eA8YO792g8t8R7kA=";
+        };
+      }
+    ];
+  };
+}