[bitnami/several] Add license to the README

Signed-off-by: Carlos Rodriguez Hernandez <carlosrh@vmware.com>

bitnami/common/README.md

@@ -326,3 +326,19 @@ $ helm install test mychart --set path.to.value00="",path.to.value01=""
 - https://docs.bitnami.com/tutorials/resolve-helm2-helm3-post-migration-issues/
 - https://helm.sh/docs/topics/v2_v3_migration/
 - https://helm.sh/blog/migrate-from-helm-v2-to-helm-v3/
+
+## License
+
+Copyright (c) 2022 Bitnami
+
+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.