Delete CHANGELOG.md

Delete CHANGELOG.md

Update changelog for custom agents and /delegate command

Added support for custom agents and a new /delegate command for task delegation.

Update changelog for custom agents and /delegate command

Added support for custom agents and a new /delegate command for task delegation.

Fix formatting of changelog entry for clarity

0.0.351

0.0.350

0.0.349

0.0.348

0.0.347