Added description of implementation to CHANGELOG

Author: lipkau

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Change Log
 
+## [NEXT VERSION] - YYYY-MM-DD
+
+### Added
+
+- Parameter for retrieving information about a specific user with `Get-JiraUser` (#328, [@michalporeba])
+  - this implementations will be changed with the next major update in favor of #306
+
 ## [2.9] - 2018-12-12
 
 ### Added
@@ -21,7 +28,6 @@
 - Fixed missing properties on `Get-JiraUser` (#321, [@lipkau])
 - Fixed `-DateStarted` on `Add-JiraIssueWorklog` (#324, [@lipkau])
 
-
 ## [2.8] - 2018-06-28
 
 More detailed description about the changes can be found on [Our Website](https://atlassianps.org/article/announcement/JiraPS-v2.8.html).
@@ -311,6 +317,7 @@ which is in turn inspired by the [Vagrant](https://github.com/mitchellh/vagrant/
   [@LiamLeane]: https://github.com/LiamLeane
   [@lipkau]: https://github.com/lipkau
   [@lukhase]: https://github.com/lukhase
+  [@michalporeba]: https://github.com/michalporeba
   [@padgers]: https://github.com/padgers
   [@ThePSAdmin]: https://github.com/ThePSAdmin
   [@tuxgoose]: https://github.com/tuxgoose