[hotfix][license] Add missing licenses

This close #4794.

flink-dist/src/main/flink-bin/conf/zoo.cfg

+################################################################################
+#  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.
+################################################################################
+
 # The number of milliseconds of each tick
 tickTime=2000
 

flink-runtime-web/web-dashboard/assets/images/browserconfig.xml

 <?xml version="1.0" encoding="utf-8"?>
+<!--
+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.
+-->
+
 <browserconfig>
   <msapplication>
     <tile>

flink-runtime-web/web-dashboard/web/images/browserconfig.xml

 <?xml version="1.0" encoding="utf-8"?>
+<!--
+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.
+-->
+
 <browserconfig>
   <msapplication>
     <tile>

pom.xml

@@ -996,7 +996,6 @@ under the License.
 						<exclude>flink-runtime-web/web-dashboard/assets/fonts/fontawesome*</exclude>
 
 						<!-- web dashboard non-binary image assets -->
-						<exclude>flink-runtime-web/web-dashboard/assets/images/browserconfig.xml</exclude>
 						<exclude>flink-runtime-web/web-dashboard/assets/images/manifest.json</exclude>
 						<exclude>flink-runtime-web/web-dashboard/assets/images/safari-pinned-tab.svg</exclude>
 
@@ -1031,7 +1030,6 @@ under the License.
 						<!-- Configuration Files. -->
 						<exclude>**/flink-bin/conf/slaves</exclude>
 						<exclude>**/flink-bin/conf/masters</exclude>
-						<exclude>**/flink-bin/conf/zoo.cfg</exclude>
 						<!-- Administrative files in the main trunk. -->
 						<exclude>**/README.md</exclude>
 						<exclude>.github/**</exclude>