update changelog and chenge VERSION (#187)

Signed-off-by: ycyaoxdu <[email protected]>

CHANGELOG.md

@@ -1,6 +1,8 @@
 [comment]: # ( Copyright Contributors to the Open Cluster Management project )
 # Release Content
 ## Additions
+- [Upgrade command](https://github.com/open-cluster-management-io/clusteradm/pull/150) @ilan-pinto
+- [Add policy-framework to hub-addon install](https://github.com/open-cluster-management-io/clusteradm/pull/170) @dhaiducek
 - [add support for manual bootstrap token for accept command](https://github.com/open-cluster-management-io/clusteradm/pull/167) @mgold1234
 - [Add long description for commands](https://github.com/open-cluster-management-io/clusteradm/pull/157) @mgold1234
 - [Feat: Proxy health supports selecting clusters via -c or --cluster](https://github.com/open-cluster-management-io/clusteradm/pull/152) @yue9944882
@@ -17,14 +19,16 @@ N/A
 
 ## Changes
 - [Upgrade to Go v1.17 and upgrade packages](https://github.com/open-cluster-management-io/clusteradm/pull/168) @dhaiducek
-- [Update crd and rbac for operator](https://github.com/open-cluster-management-io/clusteradm/pull/156) @qiujian16
+- [Change default version to v0.7.0](https://github.com/open-cluster-management-io/clusteradm/pull/176) @qiujian16
+- [Update crd and rbac for operator](https://github.com/open-cluster-management-io/clusteradm/pull/156) @qiujian16 
 - [Update operator CRDs](https://github.com/open-cluster-management-io/clusteradm/pull/144) @qiujian16
 - [Remove deploy-agent option from subscription controller](https://github.com/open-cluster-management-io/clusteradm/pull/146) @philipwu08
-
-
+- [Rename addons --> hub-addon](https://github.com/open-cluster-management-io/clusteradm/pull/175) @dhaiduce 
+- [update CONTRIBUTING guideline](https://github.com/open-cluster-management-io/clusteradm/pull/188) @ycyaoxdu
 
 ## Bug Fixes
 - [fix: remove clusterset add, add clusterset set](https://github.com/open-cluster-management-io/clusteradm/pull/153) @ycyaoxdu
 - [Bugfix: Render hub image versions](https://github.com/open-cluster-management-io/clusteradm/pull/140) @yue9944882
 - [fix the issue 130](https://github.com/open-cluster-management-io/clusteradm/pull/141) @xauthulei
 - [fix the issue 132](https://github.com/open-cluster-management-io/clusteradm/pull/136) @xauthulei
+- [honor the dry run flag for resources](https://github.com/open-cluster-management-io/clusteradm/pull/178) @jichenjc 

VERSION.txt

@@ -1 +1 @@
-v0.1.1
+v0.2.0