Added license information

Signed-off-by: Abhijit Mukherjee <abhijit.mukherjee@infracloud.io>

pkg/blockstorage/azure/azuredisk.go

@@ -2,6 +2,7 @@
 // Related Ticket- https://github.com/kanisterio/kanister/issues/1684
 //
 //nolint:staticcheck
+
 package azure
 
 import (

pkg/blockstorage/azure/environments.go

@@ -1,3 +1,17 @@
+// Copyright 2019 The Kanister Authors.
+//
+// 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 azure
 
 import (

pkg/blockstorage/helper_test.go

@@ -1,3 +1,17 @@
+// Copyright 2019 The Kanister Authors.
+//
+// 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 blockstorage
 
 import (