Migrate helm chart from helm v2 to v3 (#11290)

* move all files from helm to helm/druid

* migrate druid helm chart from helm v2 to v3

* add license headers

* bump version to 0.3.0

helm/druid/Chart.lock

@@ -23,5 +23,5 @@ dependencies:
 - name: postgresql
   repository: https://charts.helm.sh/stable
   version: 8.6.4
-digest: sha256:9d0d913f859b6adcd4d9006ee6fa1f7eae86795bb79c7392e1ce6d74d5d853f6
-generated: "2020-10-30T03:45:54.8287927Z"
+digest: sha256:fb2ab5eed4b4fc00eee5f23764209d7cb494a07161439ea28d85ed3741eaf7f7
+generated: "2021-05-22T23:07:19.829637+08:00"

helm/druid/Chart.yaml

@@ -13,11 +13,24 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: v1
+apiVersion: v2
 appVersion: 0.19.0
 description: DEPRECATED Apache Druid is a high performance real-time analytics database.
 name: druid
-version: 0.2.18
+dependencies:
+  - name: zookeeper
+    version: 2.1.4
+    repository: https://charts.helm.sh/incubator
+    condition: zookeeper.enabled
+  - name: mysql
+    version: 1.6.4
+    repository: https://charts.helm.sh/stable
+    condition: mysql.enabled
+  - name: postgresql
+    version: 8.6.4
+    repository: https://charts.helm.sh/stable
+    condition: postgresql.enabled
+version: 0.3.0
 home: https://druid.apache.org/
 icon: https://druid.apache.org/img/favicon.png
 deprecated: true

helm/requirements.yaml

@@ -1,28 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one or more
-# contributor license agreements.  See the NOTICE file distributed with
-# this work for additional information regarding copyright ownership.
-# The ASF licenses this file to You 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.
-
-dependencies:
-- name: zookeeper
-  version: 2.1.4
-  repository: https://charts.helm.sh/incubator
-  condition: zookeeper.enabled
-- name: mysql
-  version: 1.6.4
-  repository: https://charts.helm.sh/stable
-  condition: mysql.enabled
-- name: postgresql
-  version: 8.6.4
-  repository: https://charts.helm.sh/stable
-  condition: postgresql.enabled