doc: license

LICENSE

@@ -0,0 +1,14 @@
+Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
+under one or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information regarding copyright
+ownership. Camunda licenses this file to you under the Apache License,
+Version 2.0; 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.