shuffle every generated password by default

src/main/java/PasswordGenerator.java

@@ -52,7 +52,8 @@ public class PasswordGenerator {
 
             generatedPassword.append(customCharacterPool.charAt(rand.nextInt(customCharacterPool.length())));
         }
-        return generatedPassword.toString();
+
+        return shufflePassword(generatedPassword.toString());
     }
 
     public String shufflePassword(String password) {