Added index page to RAT API module.

git-svn-id: https://svn.apache.org/repos/asf/creadur/rat/trunk@1759136 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/apache-rat-api/src/site/apt/index.apt.vm b/apache-rat-api/src/site/apt/index.apt.vm
new file mode 100644
index 0000000..4820703
--- /dev/null
+++ b/apache-rat-api/src/site/apt/index.apt.vm
@@ -0,0 +1,26 @@
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+~~   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.
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+                   --------------------------
+                   API Module
+                   --------------------------
+
+About Apache Rat API
+
+
+  The Rat API module provides the public interface, which license developers should adhere to.
+