added example starship config

users/willifan/common/shell/starship.nix

@@ -1,4 +1,23 @@
-{ ... }:
+{ lib, ... }:
 {
 
+  home-manager.users.willifan.programs.starship = {
+    enable = true;
+    enableNushellIntegration = true;
+    settings = {
+      add_newline = false;
+      format = lib.concatStrings [
+        "$line_break"
+        "$package"
+        "$line_break"
+        "$character"
+      ];
+      scan_timeout = 10;
+      character = {
+        success_symbol = "➜";
+        error_symbol = "➜";
+      };
+    };
+  };
+
 }