update changelog

Author: neverRare

CHANGELOG.md

@@ -7,16 +7,21 @@ NOTE: Before publishing:
 - update this very document, don't forget to add release date
 -->
 
-<!--
+<!-- TODO: add "Allow hardcoded anu la translation" on wiki -->
+
 <details>
+
 <summary>On development changelog</summary>
 
-## (On development)
+## 0.6.1 (On development)
 
 The latest on-development version can be accessed by building the source code.
 On this on-development version, things can be broken.
+
+- Added "Allow hardcoded anu la translation" anticipating "anu la" translation
+  which isn't implemented yet.
+
 </details>
--->
 
 ## 0.6.0