update changelog for release (#12)

Author: grantleehoffman

CHANGELOG.md

@@ -1,12 +1,19 @@
 # Changelog
 
-## Unreleased
+## v0.0.3 (2021-05-27)
+### Changed
 * Update environmental variable name to specify workflow execution namespace
+
+### Added
 * Adds operations API for git based sync/diff
+
+### Fixed
 * Fix typos in CLI command description
 
 ## v0.0.2 (2021-05-06)
+### Changed
 * Set service port via environment variable, default 8443
 
 ## v0.0.1 (2021-05-06)
+### Added
 * Initial release