chore: add changelog for 0.6.0 (#86)

diff --git a/CHANGES.md b/CHANGES.md
index 2fc46d0..0d87ac1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,24 @@
 ==================
 Release Notes.
 
+0.6.0
+------------------
+
+### Features
+
+- Support authorization when connecting to the OAP
+- Add `install` command and `manifest` sub-command
+
+### Bug Fixes
+
+- Fix the bug that can't query JVM instance metrics
+
+### Chores
+
+- Set up a simple test with GitHub Actions
+- Reorganize the project layout
+- Update year in NOTICE
+
 0.5.0
 ------------------