Restructure docs

Author: m-dzianishchyts

docs/cayenne-guide/antora.yml

@@ -0,0 +1,18 @@
+# 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
+#
+# https://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.
+name: cayenne-guide
+title: Cayenne Guide
+version: '4.2'
+nav:
+  - modules/ROOT/nav.adoc