add changelog

CHANGELOG.md

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+## [1.1.0] - 2021-02-28
+### Changed
+- Change license to MIT
+- Change internal Unicode library to ICU
+- Get dependencies for build from vcpkg
+
+### Added
+- regexp: add support ignorecase for symbol class
+- add new property for TextParser - maximum block size of regexp in string line
+
+### Fixed
+- Fix error when searching for the missing type
+- Fix duplicate entries in outliner https://github.com/colorer/FarColorer/issues/25
+
+### Removed
+- Remove dlmalloc library
+- Remove working with different charsets. Input files only in Unicode, output only in UTF-8.
+
+## [1.0.4] - 2019-01-29
+### Changed
+- Update xerces-c
+- Update zlib
+- Add spdlog
+- Remove g3log
+
+## [1.0.3] - 2018-12-09
+### Fixed
+- Fixed incorrect file type detection
+
+## [1.0.2] - 2016-06-18
+### Changed
+- optimized
+
+## [1.0.1] - 2016-02-06
+### Changed
+- logging default off
+- add settings for logging
+
+## [1.0.0] - 2016-01-23
+### Changed
+- add version info
+- add asynchronous logging
+
+
+