chore: License header on certificates.go

Author: spbsoluble

cmd/certificates.go

@@ -1,6 +1,9 @@
-/*
-Copyright © 2022 NAME HERE <EMAIL ADDRESS>
-*/
+// Package cmd Copyright 2022 Keyfactor
+// 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.
 package cmd
 
 import (