add licenses

 ///
 /// Copyright © 2016-2020 The Thingsboard Authors
 ///
-/// Licensed under the Apache License; Version 2.0 (the "License");
+/// 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.
+/// 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.
 ///

+///
+/// Copyright © 2016-2020 The Thingsboard 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.
+///
+
 import * as L from 'leaflet'
 
 declare module 'leaflet' {