Update readme with slack chat button (#126)

changelog update

Fixes: #125

README.md

@@ -20,6 +20,9 @@
   <a href="https://goreportcard.com/report/github.com/gopinath-langote/1build">
         <img src="https://goreportcard.com/badge/github.com/gopinath-langote/1build" alt="Go Report Card">
     </a>
+  <a href="https://join.slack.com/t/1buildteam/shared_invite/enQtNzI1MDU0OTkxNzY2LTdiOTc1M2YwM2NjZTgwNTRlYWZjYTIxYmU0YWZmY2QzNzVlYTljNmFjMDJlZDcxOTAxN2I0NDNjYWM2YTg5YTg">
+          <img src="https://img.shields.io/badge/[email protected]?logo=slack" alt="Join the chat on Slack">
+      </a>  
 </p>
 
 <br>

docs/CHANGELOG.md

@@ -5,6 +5,20 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ---
+## [v2.0.0](https://github.com/gopinath-langote/1build/milestone/7) [DRAFT]
+### Added
+- `Join Slack Chat` button to the Readme file. 
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
 
 ## [v1.2.0](https://github.com/gopinath-langote/1build/releases/tag/v1.2.0) | 2019-07-28 | [Linked Issues](https://github.com/gopinath-langote/1build/milestone/7?closed=1)
 ### Added