Remove references to BSD license; add NOTICE file

LICENSE

@@ -186,9 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright (c) 2024 Nepomuk ( Muki ) Seiler and contributors
-   Copyright (c) 2013-2024 Lightbend Inc (dba Akka)
-   Copyright (c) 2012 Joshua Suereth
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

NOTICE

@@ -0,0 +1,16 @@
+sbt-native-packager
+Copyright (c) 2024 Nepomuk ( Muki ) Seiler and contributors
+Copyright (c) 2013-2024 Lightbend Inc (dba Akka)
+Copyright (c) 2012 Joshua Suereth
+
+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.

build.sbt

@@ -93,7 +93,7 @@ mimaPreviousArtifacts := {
 // Release configuration
 publishMavenStyle := true
 // project meta data
-licenses := Seq("BSD-2-Clause" -> url("https://opensource.org/licenses/BSD-2-Clause"))
+licenses := Seq(License.Apache2)
 homepage := Some(url("https://github.com/sbt/sbt-native-packager"))
 
 scmInfo := Some(