release v0.3.0

Author: fphammerle

CHANGELOG.md

@@ -5,6 +5,8 @@ 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).
 
 ## [Unreleased]
+
+## [0.3.0] - 2020-12-11
 ### Changed
 - acquire `flock` on SPI device file
 - attribute `FT017TH.transceiver` is now private
@@ -31,7 +33,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   temperature & humidity measurements received from FT017TH sensor
 - script `wireless-sensor-receive`
 
-[Unreleased]: https://github.com/fphammerle/wireless-sensor/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/fphammerle/wireless-sensor/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/fphammerle/wireless-sensor/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/fphammerle/wireless-sensor/compare/v0.1.1...v0.2.0
 [0.1.1]: https://github.com/fphammerle/wireless-sensor/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/fphammerle/wireless-sensor/releases/tag/v0.1.0