Added License headers (#17)

The current state of the repo is Copyright Kopernikus Automotive, so I marked the files as such.

build.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 std::env::var;
 
 fn main() {

demo/build.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 std::env;
 use std::path::PathBuf;
 

demo/src/ecal_rs.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
+ ********************************************************************************/
+
 /// topic: /kpns/test/ping
 #[derive(Clone, PartialEq, ::prost::Message, ecal::Message)]
 #[type_prefix = "kpns_msgs."]

demo/src/main.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 clap::Parser;
 use std::sync::{

ecal-derive/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
+ ********************************************************************************/
+
 extern crate proc_macro;
 
 use proc_macro::TokenStream;

src/sys.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
+ ********************************************************************************/
+
 #![allow(non_camel_case_types)]
 #![allow(non_upper_case_globals)]
 #![allow(non_snake_case)]