Add .gitignore and .ratignore files for various directories

guacamole-docker/entrypoint.d/999-start-tomcat.sh

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+#
+# 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.
+#
+
+##
+## @fn 999-start-tomcat.sh
+##
+## Starts Tomcat. This script replaces the current process with the Tomcat
+## process and does not exit.
+##
+
+# Start tomcat
+cd /usr/local/tomcat
+exec catalina.sh run
+