Added license headers.

with-post-step/action.yml

@@ -1,5 +1,29 @@
+# ==============================================================================
+# Authors:            Patrick Lehmann
+#                     Unai Martinez-Corral
+#
+# License:
+# ==============================================================================
+# Copyright 2020-2021 pyTooling
+#
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ==============================================================================
 name: With post step
+
 description: 'Generic JS Action to execute a main command and set a command as a post step.'
+
 inputs:
   main:
     description: 'Main command/script.'
@@ -11,6 +35,7 @@ inputs:
     description: 'Name of the state variable used to detect the post step.'
     required: false
     default: POST
+
 runs:
   using: 'node12'
   main: 'main.js'