Add licence for kube-ps1

Author: Hugoch

openstack-ps1.sh

@@ -1,5 +1,23 @@
 #!/bin/bash
 
+# Kubernetes prompt helper for bash/zsh
+# Displays current context and namespace
+
+# Copyright 2019 Jon Mosco modified by Hugo Larcher for Openstackctx
+#
+#  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.
+
+
 # Default values for the prompt
 # Override these values in ~/.zshrc or ~/.bashrc
 OPENSTACK_PS1_BINARY="${OPENSTACK_PS1_BINARY:-openstackctxcli}"