adding license header

zuul-core/src/main/java/com/netflix/zuul/netty/server/psk/ClientPSKIdentityInfo.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2024 Netflix, Inc.
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ */
 package com.netflix.zuul.netty.server.psk;
 
-public record ClientPSKIdentityInfo(byte[] clientPSKIdentity) {}
+public record ClientPSKIdentityInfo(byte[] clientPSKIdentity) {
+}