adapt config for use with standalone home-manager

modules/hosts/takamaki/home/zsh.nix

@@ -0,0 +1,7 @@
+{ inputs, self, ... }: {
+  flake.homeModules.takamaki = { config, pkgs, ... }: {
+    programs.zsh.shellAliases = {
+      apply-config = "zsh -c 'cd /home/grey/flake; git add .; home-manager switch --flake .#takamaki -b bak'";
+    };
+  };
+}