add release dates

Author: neverRare

CHANGELOG.md

@@ -17,12 +17,16 @@ On this on-development version, things can be broken.
 
 ## 0.5.1
 
+Released 9 Mar 2025
+
 - Fix adverb placement within verbs: "sina o lape pona" can now translate into
   "You should nicely sleep" instead of "You nicely should sleep".
 - Fix "token is not defined" bug when telo misikeke error messages is turned on.
 
 ## 0.5.0
 
+Released 9 Mar 2025
+
 ilo Token can now translate "o" imperative sentences such as "o toki" and "mi o
 lape".