Migrate logging-flume-site content into this repository

.gitignore

@@ -24,3 +24,6 @@ nb-configuration.xml
 .flattened-pom.xml
 # Maven extensions
 .mvn/extensions.xml
+
+# Node dependencies
+/node_modules/

antora-playbook.yaml

@@ -0,0 +1,43 @@
+#
+# 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.
+#
+
+site:
+  title: Apache Flume
+  url: "https://flume.apache.org"
+  start_page: "flume::index.adoc"
+
+content:
+  sources:
+    - url: .
+      branches: HEAD
+      start_paths:
+        - src/site/antora
+      edit_url: "https://github.com/apache/logging-flume-site/edit/{refname}/{path}"
+
+asciidoc:
+  attributes:
+    tabs-sync-option: true
+  extensions:
+    - "@asciidoctor/tabs"
+
+ui:
+  bundle:
+    url: "https://gitlab.com/antora/antora-ui-default/-/jobs/artifacts/HEAD/raw/build/ui-bundle.zip?job=bundle-stable"
+    snapshot: true
+
+output:
+  dir: ./target/site