build: changelog for 0.1.0

changelogs/0.1.0.md

+# Changelog
+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).
+
+## [0.1.0] - 2021-09-06
+### Added
+- Init configuration file
+- Export all my groups and project from one GitLab instance