Updated CHANGELOG template

The issue number must be inserted between  [  ] (square brackets)

e.g. 

- description [#12345]

gCubeComponents/CHANGELOG.md

@@ -3,36 +3,35 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 # Changelog for "project name"
 
 ## [Unreleased]
-- description (link to related issue on redmine)
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
+- description [#TICKET_NUMBER]
 - ...
 
 ## [v1.1.0] 2020-01-31
 ### New Features
-- description (link to related issue on redmine)
-- description (link to related issue on redmine)
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
+- description [#TICKET_NUMBER]
+- description [#TICKET_NUMBER]
 - ...
 
 ### Enhancements
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
 - ...
 - ...
 
 ### Fixes
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
 - ...
 - ...
 
 ## [v1.0.0] 2019-10-20
 ### New Features
-- description (link to related issue on redmine)
-- description (link to related issue on redmine)
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
+- description [#TICKET_NUMBER]
+- description [#TICKET_NUMBER]
 - ...
 
 ### Fixes
-- description (link to related issue on redmine)
+- description [#TICKET_NUMBER]
 - ...
 - ...
-