add changelog for v0.2 (#42)

Signed-off-by: Yang Le <[email protected]>

Author: elgnay

CHANGELOG/CHANGELOG-v0.2.md

@@ -0,0 +1,23 @@
+# Changelog since v0.1.0
+All notable changes to this project will be documented in this file.
+
+## v0.2.0
+
+### New Features
+* Allow user to weight prioritizers in a placement. ([#31](https://github.com/open-cluster-management-io/placement/pull/31) [@haoqing0110](https://github.com/haoqing0110))
+* Support resource based placement scheduling. User is able to create a placement to select managed clusters according to cluster resource capacity and allocatable. ([#32](https://github.com/open-cluster-management-io/placement/pull/32) [@haoqing0110](https://github.com/haoqing0110))
+
+### Added
+N/C
+
+### Changes
+* Update the sort logic in Schedule. ([#29](https://github.com/open-cluster-management-io/placement/pull/29) [@suigh](https://github.com/suigh))
+* Clean env after e2e test. ([#34](https://github.com/open-cluster-management-io/placement/pull/34) [@suigh](https://github.com/suigh))
+* Upgrade the ClusterSet and ClusterSetBinding APIs to v1beta1. ([#35](https://github.com/open-cluster-management-io/placement/pull/35) [@elgnay](https://github.com/elgnay))
+
+### Bug Fixes
+* Avoid forbidden message in the log of controller. ([#27](https://github.com/open-cluster-management-io/placement/pull/27) [@vincent-pli](https://github.com/vincent-pli))
+* Reschedule placment when clusterset added. ([#39](https://github.com/open-cluster-management-io/placement/pull/39) [@haoqing0110](https://github.com/haoqing0110))
+
+### Removed & Deprecated
+N/C