Update CHANGELOG.md

Author: SuperFola

CHANGELOG.md

@@ -1,14 +1,10 @@
 # Change Log
 
-## [Unreleased changes]
-### Added
-
+## [v0.2.0] - 2022-03-10
 ### Changed
 - the links on the home page are generated in alphabetical order
 - the header layout is now fixed #11
 
-### Removed
-
 ## [v0.1.0] - 2021-08-08
 ### Added
 - possibility to generate documentation from C++ code
@@ -33,4 +29,4 @@
 ### Added
 - markdown file generation
 - mkdocs tree support
-- doc html generation
+- doc html generation