feat: added new configuration for enabling fish shell

home-manager/stvnliu/shells/fish.nix

@@ -0,0 +1,32 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.myShells.fish;
+in
+  with lib; {
+    options = {
+      myShells.fish = {
+        enable = mkEnableOption "Enables fish and components.";
+      };
+    };
+    config = mkIf cfg.enable {
+      programs.fish = {
+        enable = true;
+        shellAliases = import ./aliases {inherit pkgs;};
+        plugins = [
+          #{
+          #	name = "z";
+          #	src = pkgs.fetchFromGitHub {
+          #		owner = "jethrokuan";
+          #		repo = "z";
+          #		rev = "ddeb28a7b6a1f0ec6dae40c636e5ca4908ad160a";
+          #		sha256 = "0c5i7sdrsp0q3vbziqzdyqn4fmp235ax4mn4zslrswvn8g3fvdyh";
+          #	};
+          #}
+        ];
+      };
+    };
+  }