updated documentation

Author: mariodavid

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [0.4.0] - 2019-03-14
+
+### Dependencies
+- CUBA 6.10.x
+- declarative-controllers 0.7.0
+- entity-soft-reference 0.4.0
+
 ## [0.4.0] - 2018-07-13
 
 ### Change

README.md

@@ -14,6 +14,7 @@ This CUBA component gives users a mailbox for user to user and system to user me
 
 | Platform Version | Add-on Version |
 | ---------------- | -------------- |
+| 6.10.x           | 0.5.x          |
 | 6.9.x            | 0.4.x          |
 | 6.8.x            | 0.1.x - 0.3.x  |