Update CHANGELOG.md

Author: ateodorescu

ipmi-server/CHANGELOG.md

@@ -1,6 +1,10 @@
 ## 2.3.0
 - Fixed docker files generated by the release workflow.
 
+## 2.1.0
+- Fix NGINX version in Dockerfile. It fails installing in HASS VM otherwise by @shaunvaidyan in #32
+- New docker image for ipmi-server standalone to run the server in a standard docker environment.
+  
 ## 2.0.0
 
 - GH-22 Anonymize password in error output by @func0der