Document and add copyright headers

.github/dependabot.yml

@@ -1,3 +1,10 @@
+# Copyright (c) {year} Contributors to the Eclipse Foundation
+# 
+# This program and the accompanying materials are made available under the
+# Apache Software License 2.0 which is available at:
+# https://www.apache.org/licenses/LICENSE-2.0.
+# 
+# SPDX-License-Identifier: Apache-2.0
 version: 2
 updates:
   - package-ecosystem: github-actions

.github/workflows/ci-actions.yml

@@ -1,3 +1,10 @@
+# Copyright (c) 2021 Red Hat, Inc. and others
+# 
+# This program and the accompanying materials are made available under the
+# Apache Software License 2.0 which is available at:
+# https://www.apache.org/licenses/LICENSE-2.0.
+# 
+# SPDX-License-Identifier: Apache-2.0
 name: Jakarta Contexts and Dependency Injection CI
 
 on:

README.md

@@ -1,3 +1,12 @@
+<!--
+    Copyright (c) 2011 Red Hat, Inc. and others
+
+    This program and the accompanying materials are made available under the
+    Apache Software License 2.0 which is available at:
+    https://www.apache.org/licenses/LICENSE-2.0.
+
+    SPDX-License-Identifier: Apache-2.0
+-->
 
 # GitHub Pages
 The latest news for CDI 4.x can be found in the [GitHub pages](https://jakartaee.github.io/cdi/)

pom.xml

@@ -1,3 +1,12 @@
+<!--
+    Copyright (c) 2011 Red Hat, Inc. and others
+
+    This program and the accompanying materials are made available under the
+    Apache Software License 2.0 which is available at:
+    https://www.apache.org/licenses/LICENSE-2.0.
+
+    SPDX-License-Identifier: Apache-2.0
+-->
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>