Add changes log

PR-URL: #47

Author: tshemsedinov

CHANGELOG.md

@@ -0,0 +1,21 @@
+# Changelog
+
+## [Unreleased][unreleased]
+
+## [1.0.0][] - 2020-12-16
+
+- Contributing notes and templates, security policy
+- Fix code style, update linter and formatter rules
+- Editor configuration and other chore stuff
+
+## [0.1.16][] - 2020-10-03
+
+- Color style definition syntax (to hide unreadable escape styles)
+- String template tag to style expressions in back-tick syntax
+- Tag factory to create syling functions to be used in back-tick syntax
+- Style function (wrappers to add escape styles)
+- Themes (set of named styles)
+
+[unreleased]: https://github.com/metarhia/concolor/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/metarhia/concolor/compare/v0.1.16...v1.0.0
+[0.1.16]: https://github.com/metarhia/concolor/releases/tag/v0.1.16