docs(CHANGELOG): update about bm25 vectorizer model loading api

Author: sanjayaksaxena

CHANGELOG.md

@@ -1,3 +1,10 @@
+# [Enabling loading of BM25Vectorizer model](https://github.com/winkjs/wink-nlp/releases/tag/1.10.0)
+## Version 1.10.0 November 06, 2021
+
+### ✨ Features
+- Easily load BM25Vectorizer's model using newly introduced `.loadModel()` api. 🎉
+
+
 # [Enhancing Typescript support](https://github.com/winkjs/wink-nlp/releases/tag/1.9.0)
 ## Version 1.9.0 November 06, 2021