Update CHANGELOG.md

CHANGELOG.md

 # Change Log
-All notable changes to this project will be documented in this file.
+All notable changes to this project will be documented in this file. Including: Recommended groupings for changes include: 
+```diff
++ Added + Changed + Deprecated + Removed + Fixed + Security +
+```
 
-The format is based on [Keep a Changelog](http://keepachangelog.com/)
-and this project adheres to [Semantic Versioning](http://semver.org/).
+The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 ## [Unreleased]
 ### Added
-- CONTRIBUTING.md and CHANGELOG.md temnplates
-- added Call-for-Participation.md to work on email to be sent to selected IEEE societies and Technical Councils
 
 ### Changed
 
+## [0.0.1] 2020-May-21
+### Added
+- CHANGELOG.md, CONTRIBUTING.md, CONTRIBUTORS.md and Call-for-participation.md, LICENSE and PROPOSAL-OSH-review.md files
+- "[Minutes](https://opensource.ieee.org/community/peer-review/admin/-/tree/master/Minutes)" directory to group meetign minutes
+- Added 2020Week18\_27April.md and 2020Week21\_19May.md meetign minutes
+- created **[ACTION ITEMS]** as Issues in repository
+
+### Changed
+- README.md to include some URLs and information based on intial OSCom charter
+- Added reference to files and publication for original open source project that the UV-light Sanitizer is based on
+
 ## 2020-Apr-21
 ### Added
 - Updated README.md typos, added some clarification to bullet-form items on charter