Add changelog

Author: VladislavKostyukevich

CHANGELOG.md

@@ -6,6 +6,7 @@ Features:
 
 Bugfixes:
   - Test run View Page performance is bad -> [View Issue](https://github.com/aquality-automation/aquality-tracking/issues/99)
+  - External Link does not work on Issues List -> [View Issue](https://github.com/aquality-automation/aquality-tracking/issues/97)
 
 ## 0.3.9 (2020-04-21)