Update changelog

Author: stfnkth

docs/changelog.md

@@ -1,10 +1,17 @@
 # Changelog for Tabulator for Python
 
+## pytabulator v0.2.2
+
+* Add themes
+* Add optional support for xlsx exports via sheetjs
+
+
 ## pytabulator v0.2.1 (2024-04-03)
 
 * Set version of pandas requirement to `>=1.5.3`
 * Allow extra arguments in `TableOptions`
 
+
 ## pytabulator v0.2.0 (2024-04-02)
 
 Initial PyPI release
@@ -16,6 +23,7 @@ Initial PyPI release
 * Add detailed example
 * Add utility function to create columns configuration from data frame
 
+
 ## pytabulator v0.1.0 (2024-01-31, Pre-release)
 
 Initial release