Add contributing page for Scaladoc

_overviews/scaladoc/contribute.md

@@ -0,0 +1,28 @@
+---
+layout: multipage-overview
+title: Contributing to Scaladoc
+
+discourse: true
+
+partof: scaladoc
+overview-name: Scaladoc
+
+num: 5
+
+permalink: /overviews/scaladoc/:title.html
+---
+
+If you are interested in contributing to the API documentation of the Scala
+standard library (the documentation generated by Scaladoc), please read 
+[Generating Scaladoc]({{ site.baseurl }}/overviews/scaladoc/generate.html) and
+[Scaladoc for Library Authors]({{ site.baseurl }}/overviews/scaladoc/basics.html) first.
+
+If you'd like to contribute to the actual Scaladoc documentation generation
+tool itself, then please see the
+[Hacker Set Up Guide](http://scala-lang.org/contribute/hacker-guide.html#2-set-up)
+which covers the steps and workflow necessary work on the Scaladoc tool.
+
+As of Scala 2.13, the Scaladoc tool is maintained but not actively
+developed.  Major development of Scaladoc will progress as a part of
+Dotty for Scala 3 in the
+[Dottydoc](https://dotty.epfl.ch/docs/usage/dottydoc.html) tool.

_overviews/scaladoc/overview.md

@@ -22,14 +22,3 @@ There are three aspects of Scaladoc documentation:
   - **[Using the Scaladoc interface]({{ site.baseurl }}/overviews/scaladoc/interface.html)** – how to navigate and use generated Scaladoc documentation to learn more about a library.
   - **[Scaladoc for Library Authors]({{ site.baseurl }}/overviews/scaladoc/for-library-authors.html)** – how to add Scaladoc comments to generate documentation for your library.
   - **[Generating documentation for your library with Scaladoc]({{ site.baseurl }}/overviews/scaladoc/generate.html)** – how to use Scaladoc to generate documentation for your library.
-
-### Contributing to Scaladoc
-
-If you are interested in contributing to the API documentation of the Scala
-standard library (the documentation generated by Scaladoc), please read the
-[Scaladoc for Library Authors]({{ site.baseurl }}/overviews/scaladoc/basics.html) first.
-
-If you'd like to contribute to the actual Scaladoc documentation generation
-tool itself, then please see the
-[Hacker Set Up Guide](http://scala-lang.org/contribute/hacker-guide.html#2_set_up)
-which covers the steps and workflow necessary work on the Scaladoc tool.