Create CHANGELOG.md (#256)

Resolves #253

Author: jlowellwofford

CHANGELOG.md

@@ -0,0 +1,21 @@
+# 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).
+
+## [Unreleased]
+
+## [0.1.1] - 2021-04-15
+### Added
+- Added this changelog (`CHANGELOG.md`)
+- Added a submodule for `krakenctl` at [utils/krakenctl](utils/krakenctl)
+### Fixed
+- Submodules now use relative paths so we don't accidentally
+
+## [0.1.0] - 2021-04-13
+### Added
+- Semantic versioning started.  Note: this project has been in dev for some time, but never previously versioned.
+### Changed
+- Migrate from github.com/hpc/kraken to github.com/kraken-hpc/kraken
+- Split-out modules & extensions that are not "core" to the kraken framework