Create Changelog file

CHANGELOG.md

+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## [0.1.1]
+
+### Fixed
+- [DEV] Minor errors in metadata files
+
+## [0.1.0]
+
+### Added
+- Serve files from the current directory
+- Serve files from the target directory
+- Serve index files from directories
+- Configure number of worker threads
+- Bind to custom address and port
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