Update changelog.

Author: nedtwigg

CHANGELOG.md

@@ -1,10 +1,12 @@
 # Changelog
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+All notable changes to this project will be documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+Version must be kept in-sync between [`package.json`](package.json) and [`wxt.config.js`](wxt.config.ts).
+
 ## [Unreleased]
+- TBD
 
+## [0.1.0] - 2025-09-26
 - Initial release!
-- Good enough to dogfood, not good enough to put effort into marketing it yet. TBD.
+- Good enough to dogfood, not good enough to put effort into marketing it yet.