initial config commit

modules/nixos/features/starship.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  feature = "starship";
+in
+{
+  config = lib.mkIf config.${feature}.enable {
+    programs.starship = {
+      enable = true;
+      settings.character = {
+        success_symbol = "[%](bold green) ";
+        error_symbol = "[%](bold red) ";
+      };
+    };
+  };
+
+  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
+}