add CHANGELOG and withinnmof test

CHANGELOG.md

@@ -5,7 +5,25 @@ All notable changes to this project are documented here.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.3.2] - 2026-06-26
+
+- `WithinNMOf` aircraft filter for distance from an arbitrary point.
+- Add test for WithinNMOf
+
+## [0.3.1] - 2026-06-26
+
+### Added
+
+- `WithPosition` aircraft filter to keep only aircraft reporting a lat/lon.
+
+## [0.3.0] - 2026-06-26
+
+### Added
+
+- Client retry configuration with exponential backoff (`RetryConfig`,
+  `WithRetry`). Retries transport errors and 5xx responses; never retries 4xx or
+  context cancellation.
+- String-typed enums for readsb message type and emitter category.
 
 ## [0.2.1] - 2026-06-23
 
@@ -38,7 +56,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   the `pkg/client` HTTP client with one-shot queries and channel/iterator
   polling for every endpoint, the `cmd/wingbits` CLI, and a README.
 
-[Unreleased]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.2.1...HEAD
+[Unreleased]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.3.1...HEAD
+[0.3.1]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.3.0...v0.3.1
+[0.3.0]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.2.1...v0.3.0
 [0.2.1]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.2.0...v0.2.1
 [0.2.0]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.1.1...v0.2.0
 [0.1.1]: https://gitea.libretechconsulting.com/rmcguire/wingbits/compare/v0.1.0...v0.1.1