Update CHANGELOG.md

Author: MrClock8163

CHANGELOG.md

@@ -7,6 +7,13 @@ The project uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unreleased
 
+### Added
+
+- Added GeoCom shutdown utility (`shutdown geocom`)
+- Added GeoCom startup utility (`startup geocom`)
+- Added GSI Online DNA shutdown utility (`shutdown gsidna`)
+- Added GSI Online DNA startup utility (`startup gsidna`)
+
 ### Changed
 
 - All console output was updated to use the `rich` package instead of `click`