docs(overview): Add docs for TDS overview and releases

UPGRADING.md

@@ -1,5 +1,14 @@
 # Upgrading Guide
 
+### DEPRECATION NOTICE (24 July 2017)
+
+This document will no longer be maintained and may be removed in the future. We have moved to using [Github Release Notes](https://github.com/telusdigital/tds/releases)
+to communicate changes in releases, including deprecated features and breaking changes.
+
+* For a summary of important changes in a release, including any upgrade instructions, read the [Release Notes](https://github.com/telusdigital/tds/releases).
+* For a comprehensive list of the important changes in a release, read the [Changelog](https://github.com/telusdigital/tds/blob/master/CHANGELOG.md).
+
+
 ## Upgrading to v0.16.x
 
 ### NEW CDN files

config/styleguide.config.js

@@ -16,6 +16,16 @@ module.exports = {
   showCode: true,
 
   sections: [
+    {
+      name: 'TELUS Design System',
+      content: '../docs-new/intro/overview.md',
+      sections: [
+        {
+          name: 'Releases',
+          content: '../docs-new/intro/releases.md'
+        }
+      ]
+    },
     {
       name: 'Foundational Elements',
       sections: [

docs-new/intro/overview.md

@@ -0,0 +1 @@
+Welcome to the TELUS Design System (TDS).

docs-new/intro/releases.md

@@ -0,0 +1,7 @@
+TDS releases often, and we put every effort into making the upgrade process as smooth as possible. Refer the the following
+links for information about any TDS release.
+
+* [Github Releases](https://github.com/telusdigital/tds/releases): A summary of the important changes for all releases, 
+including deprecated features, breaking changes, and any upgrade instructions.
+* [Github Latest Release](https://github.com/telusdigital/tds/releases/latest): A summary of the latest release.
+* [Full Changelog](https://github.com/telusdigital/tds/blob/master/CHANGELOG.md). A comprehensive list of all changes by release.