update changelog

Author: brainelectronics

changelog.md

@@ -15,6 +15,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 <!-- ## [Unreleased] -->
 
 ## Released
+## [2.3.3] - 2023-01-29
+### Fixed
+- Add link to RTU documentation examples from RTU examples files and root [README](README.md), relates to #7
+- Add missing ESP32, RP2 and pyboard pin usage for RTU in examples and documentation, relates to #7 and #17
+- Add missing issue template file, see #46
+
 ## [2.3.2] - 2023-01-09
 ### Added
 - Installation instructions for `mip` usage on MicroPython 1.19.1 or newer, see #44
@@ -260,8 +266,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - PEP8 style issues on all files of [`lib/uModbus`](lib/uModbus)
 
 <!-- Links -->
-[Unreleased]: https://github.com/brainelectronics/micropython-modbus/compare/2.3.2...develop
+[Unreleased]: https://github.com/brainelectronics/micropython-modbus/compare/2.3.3...develop
 
+[2.3.3]: https://github.com/brainelectronics/micropython-modbus/tree/2.3.3
 [2.3.2]: https://github.com/brainelectronics/micropython-modbus/tree/2.3.2
 [2.3.1]: https://github.com/brainelectronics/micropython-modbus/tree/2.3.1
 [2.3.0]: https://github.com/brainelectronics/micropython-modbus/tree/2.3.0