fix missing struct in README

README.md

@@ -27,6 +27,13 @@ The log format generated by yadu looks like this:
 ```go
 logger := slog.New(yadu.NewHandler(os.Stdout, nil))
 
+type Ammo struct {
+        Forweapon string
+        Impact    int
+        Cost      int
+        Range     int
+}
+
 type Enemy struct {
     Alive  bool
     Health int