Added another missing license header

src/lib.rs

@@ -1,3 +1,19 @@
+/********************************************************************************
+ * Copyright (c) 2024 Kopernikus Automotive
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+
 use anyhow::Result;
 use std::{
     env, ffi,