bump version to 1.5.0

Author: gituser789

CHANGELOG.md

@@ -4,12 +4,13 @@ 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).
 
-## [Unreleased]
+## [1.5.0] - 2024-01-03
 ### Added
  - Diode rectifier
  - #12: IGBT enhancement type
  - #11: Ladder Logic Symbols
  - Tutorial how to use LaTeX fonts
+ - Searchable inkscape symbols
 ### Updated
  - Bring some named symbols to the Inkscape symbols (searchable)
 ### Fixed