Updated changelog

CHANGELOG.md

@@ -13,12 +13,13 @@
 - Parts of code is covered by tests
 - **(Post 1.0)** *Project based profiles in config -> No need to pass multiple* artifact paths.
 ---
-# 0.3 (Unreleased)
+# 0.4 (Unreleased)
 ## Feature Backlog
 - SQLITE database with ORM setup
 - Ability for Agent to request artifact from the Server
 - Rework logging to use io.multiwriter (STDOUT and configured log file)
 
+# 0.3 (2020.12.25)
 ## Feature
 - Basic Docker support via **Dockerfile** and **docker-compose.yml**
 - Artifact Root Directory Configuration is implemented