Update CHANGELOG for v1.0.4

Author: bricef

CHANGELOG.md

@@ -4,5 +4,12 @@ All notable changes to TaskFlow are documented here. Generated automatically on
 
 ## v1.0.4 — 2026-04-01
 
+- Update CHANGELOG for v1.0.4
+- Add go install instructions and suggested GitHub topics
+- Add changelog and contributing links to README, update release docs
+- Auto-generate CHANGELOG.md on release
+- Add explicit License
+- Add CONTRIBUTING.md
 
 
+## v1.0.4 — 2026-04-01