docs: add CHANGELOG

Author: Ovyerus

CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+
+All notable changes to elixir-car 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).
+
+## [0.1.0] - 2025-05-26
+
+Initial release.
+
+### Added
+
+- Support for decoding CAR files.
+
+[unreleased]: https://github.com/cometsh/elixir-car/compare/v0.1.0...HEAD
+[0.1.0]: https://github.com/cometsh/elixir-car/releases/tag/v0.1.0

README.md

@@ -15,7 +15,7 @@ Currently only just a basic decoder for use in
 
 ## Installation
 
-Add `car` to your `mix.exs
+Add `car` to your `mix.exs`
 
 ```elixir
 def deps do