Add changelog for 0.1 (#110)

Signed-off-by: Jian Qiu <[email protected]>

Author: qiujian16

CHANGELOG.md

@@ -1,12 +1,27 @@
 [comment]: # ( Copyright Contributors to the Open Cluster Management project )
 # Release Content
 ## Additions
-- [Add make target for krew.](https://github.com/open-cluster-management-io/clusteradm/pull/70)
+- [Feat: Allows override OCM images upon initialization](https://github.com/open-cluster-management-io/clusteradm/pull/80) @yue9944882
+- [Clusteradm proxy health](https://github.com/open-cluster-management-io/clusteradm/pull/90) @yue9944882
+- [adding a '--wait' flag for optional foreground joining](https://github.com/open-cluster-management-io/clusteradm/pull/95) @yue9944882
+- [feat: clusteradm init supports saving commands to local file](https://github.com/open-cluster-management-io/clusteradm/pull/93) @yue9944882
+- [chore: reflecting detailed container status on cluster joining](https://github.com/open-cluster-management-io/clusteradm/pull/99) @yue9944882
+- [addon enable: allow certain addon to be deployed](https://github.com/open-cluster-management-io/clusteradm/pull/101) @ycyaoxdu
+- [Feat: clusteradm get addon command for list enabled addon](https://github.com/open-cluster-management-io/clusteradm/pull/103) @ycyaoxdu
 
 ## Breaking Changes
+N/A
 
 ## Changes
-- [Install and enable the new application lifecycle images.](https://github.com/open-cluster-management-io/clusteradm/pull/72)
+- [Enhancement to clean up the control plane.](https://github.com/open-cluster-management-io/clusteradm/pull/75) @xauthulei
+- [Added timeout flag to fix issue](https://github.com/open-cluster-management-io/clusteradm/pull/77) @ilan-pinto
+- [Adding an install scripts for one line clusteradm installation](https://github.com/open-cluster-management-io/clusteradm/pull/81) @yue9944882
+- [Fix issue #52 - added image rending to the join command](https://github.com/open-cluster-management-io/clusteradm/pull/83) @ilan-pinto
+- [Specify install ns when enable an addon on a cluster](https://github.com/open-cluster-management-io/clusteradm/pull/89) @xauthulei
+- [use the endpoint from --hub-apiserver for joining cluster](https://github.com/open-cluster-management-io/clusteradm/pull/107) @yue9944882
 
 ## Bug Fixes
-- [Use Create instead of OpenFile for writing to output file to handle overwriting of existing file better.](https://github.com/open-cluster-management-io/clusteradm/pull/69)
+- [Refactor/Bugfix: clusteradm join endpoint and spinner loading effect](https://github.com/open-cluster-management-io/clusteradm/pull/91) @yue9944882
+- [fixes go install due to replace directive](https://github.com/open-cluster-management-io/clusteradm/pull/92) @yue9944882
+- [modify integration test for command addon enable](https://github.com/open-cluster-management-io/clusteradm/pull/105) @ycyaoxdu
+