Add some missing licenses

Signed-off-by: Joshua Li <[email protected]>

plugin/src/main/plugin-metadata/plugin-security.policy

@@ -1,3 +1,7 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 grant {
   // For Spring IOC

sql-cli/tests/conftest.py

@@ -3,6 +3,10 @@
 SPDX-License-Identifier: Apache-2.0
 """
 
+"""
+We can define the fixture functions in this file to make them
+accessible across multiple test modules.
+"""
 import os
 import pytest
 

workbench/public/components/Header/Header.tsx

@@ -1,3 +1,7 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 import React from 'react';
 import { EuiHorizontalRule } from '@elastic/eui';

workbench/tslint.yaml

@@ -16,22 +16,9 @@ rules:
     - true
     - |-
       /*
-       * SPDX-License-Identifier: Apache-2.0
-       *
-       * The OpenSearch Contributors require contributions made to
-       * this file be licensed under the Apache-2.0 license or a
-       * compatible open source license.
-       */
-       *
-       *    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.
-       */
+      * Copyright OpenSearch Contributors
+      * SPDX-License-Identifier: Apache-2.0
+      */
   disallow-license-header:
     - true
     - |-