basic p10k module, remove omz

homeModules/zsh-powerlevel10k.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  options.programs.zsh-powerlevel10k = {
+    enable = lib.mkEnableOption "powerlevel10k zsh theme";
+    package = lib.mkPackageOption pkgs "zsh-powerlevel10k" { nullable = true; };
+  };
+
+  config =
+    let
+      cfg = config.programs.zsh-powerlevel10k;
+      p10k = if (cfg.package != null) then cfg.package else pkgs.zsh-powerlevel10k;
+    in
+    lib.mkIf cfg.enable {
+      programs.zsh.initContent =  ''
+        source ${p10k}/share/zsh-powerlevel10k/powerlevel10k.zsh-theme
+      '';
+    };
+}