[ADF-3913] Added roadmap page (#4166)

* [ADF-3913] Added roadmap page

* [ADF-3913] Added roadmap link to index page

* [ADF-3913] Changed position of roadmap in sidebar

docs/README.md

@@ -12,7 +12,8 @@ its main source file. Note that ADF is developed continuously, so the source fil
 
 See the [Version Index](versionIndex.md) for a list of components ordered by
 the ADF version where they were introduced. You can see the full details of each release
-in the [Release notes](release-notes/README.md) section.
+in the [Release notes](release-notes/README.md) section. The [roadmap](roadmap.md)
+contains a preview of features we hope to release in future versions of ADF.
 
 Components are sometimes marked with an icon to show their status. No icon indicates
 that the component is complete and suitable for normal use. The other status levels are:

docs/abn-tree.yml

@@ -20,5 +20,6 @@
 - process-services-cloud: 'Process Services Cloud API'
 - extensions: 'Extensions API'
 - insights: 'Insights API'
+- roadmap.md: 'Roadmap'
 - versionIndex.md: 'Version index'
 - release-notes: 'Release notes'

docs/roadmap.md

@@ -0,0 +1,25 @@
+---
+Title: ADF roadmap
+---
+
+# ADF roadmap
+
+Below is a list of the high level feature themes planned for the forthcoming versions of ADF.
+
+Last updated 15 Jan 2019:
+
+- First Governance components about file plans.
+- Better experience in plugin/extensions.
+- Accessibility.
+- Analytics components to show tables and charts.
+- Experimental features:
+    - Artificial Intelligence plugins/components.
+    - Web components for ADF to be framework agnostic.
+    - Rapid Application Development.
+
+
+
+**Disclaimer**: The list above may change in the future and it does not
+represent an official promise about features to be implemented. The purpose
+of this public roadmap is to share infomation openly with our ecosystem
+of customers, partners and enthusiasts.