[CHANGELOG] #changelog

CHANGELOG.md

https://keepachangelog.com/

Guiding Principles

• Changelogs are for humans, not machines.
• There should be an entry for every single version.
• The same types of changes should be grouped.
• Versions and sections should be linkable.
• The latest version comes first.
• The release date of each version is displayed.
• Mention whether you follow Semantic Versioning.

Types of changes

• Added for new features.
• Changed for changes in existing functionality.
• Deprecated for soon-to-be removed features.
• Removed for now removed features.
• Fixed for any bug fixes.
• Security in case of vulnerabilities.

Example

# Change Log
All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).

## [[2.0.0] - 2019-11-19](https://github.com/foo/bar/pull/4)
### Added
- New breaking API.

## [[1.1.1] - 2019-03-21](https://github.com/foo/bar/pull/3)
### Fixed
- Hotfix for bug.

## [[1.1.0] - 2016-08-01](https://github.com/foo/bar/pull/2)
### Added
- New non-breaking feature.

## [[1.0.0] - 2015-04-29](https://github.com/foo/bar/pull/1)
### Added
- Initial thing.