Add copyright notice

README.md

@@ -133,6 +133,8 @@ See the [documentation](https://phydemo.app/ray-optics/docs/) for more informati
 
 
 # License
+
+```
 Copyright 2016–2024 The Ray Optics Simulation authors and contributors
 
 Licensed under the Apache License, Version 2.0 (the "License");
@@ -146,3 +148,4 @@ 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.
+```

src/webpages/partials/footer.hbs

@@ -1,3 +1,19 @@
+<!--
+  Copyright 2024 The Ray Optics Simulation authors and contributors
+
+  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.
+-->
+
 <div style="float: right; padding-bottom: 1em;">
   <div class="dropup">
     <button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown">

src/webpages/partials/head.hbs

@@ -1,3 +1,19 @@
+<!--
+  Copyright 2024 The Ray Optics Simulation authors and contributors
+
+  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.
+-->
+
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>{{title}}</title>

src/webpages/partials/navbar.hbs

@@ -1,3 +1,19 @@
+<!--
+  Copyright 2024 The Ray Optics Simulation authors and contributors
+
+  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.
+-->
+
 <div class="navbar navbar-fixed-top container" style="background-color:white;max-height:90px;overflow:hidden">
 
   <a href="{{homeUrl}}" class="navbar-left brand">