Single codebase announcement (#17081)

README.md

@@ -13,8 +13,7 @@
 [![Code Climate](https://codeclimate.com/github/RocketChat/Rocket.Chat/badges/gpa.svg)](https://codeclimate.com/github/RocketChat/Rocket.Chat)
 [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg?style=flat)](https://github.com/RocketChat/Rocket.Chat/raw/master/LICENSE)
 
-
-* [**NEW!** Help Wanted](#help-wanted)
+* [**NEW!** Rocket.Chat Moving to a Single Codebase](#moving-to-one-codebase) 
 * [Community](#community)
 * [Mobile Apps](#mobile-apps)
 * [Desktop Apps](#desktop-apps)
@@ -58,8 +57,13 @@
   * [Translations](#translations)
   * [How to Contribute](#how-to-contribute)
 * [Credits](#credits)
+* [Help Wanted](#help-wanted)
 * [Donate](#donate)
 
+# Moving to a Single Codebase
+
+Rocket.Chat is moving to a single codebase. Get to know the reasons and how the community will benefit from it. Read the [details](https://rocket.chat/2020/03/28/moving-to-a-single-codebase/).
+
 # Help Wanted
 
 At Rocket.Chat, our community drives *everything* we do. The Rocket.Chat team is expanding, and we know no better place to find qualified new team members than *right here* - in our Github  community.