Add v0.2.0 changelog (#143)

* Add v0.2.0 changelog

* fix markdown spellcheck

* Fix typo

CHANGELOG.md

@@ -1,3 +1,37 @@
+---
+
+# v0.2.0
+
+## Installation
+
+- Provide a script to generate helm charts for Kruise. User can specify the release version.
+- Automatically install kubebuilder if it does not exist in the machine.
+- Add Kruise uninstall script.
+
+## Kruise-Controller-Manager
+
+### Bugs
+
+- Fix a potential controller crash problem when APIServer disables MutatingAdmissionWebhook and ValidatingAdmissionWebhook admission plugins.
+
+## Broadcast Job
+
+### Features
+
+- Change the type of `Parallelism` field in BroadcastJob from `*int32` to `intOrString`.
+- Support `Pause` in BroadcastJob.
+- Add `FailurePolicy` in BroadcastJob, supporting `Continue`, `FastFailed`, and `Pause` polices.
+- Add `Phase` in BroadcastJob `status`.
+
+## Sidecar Set
+
+### Features
+
+- Allow parallelly upgrading SidecarSet Pods by specifying `MaxUnavailable`.
+- Support sidecar volumes so that user can specify volume mount in sidecar containers.
+
+---
+
 # v0.1.0
 
 ## Kruise-Controller-Manager
@@ -36,4 +70,4 @@
 ### Features
 
 - Add SidecarSet that automatically injects sidecar container into selected pods
-- Support sidecar update functionality for SidecarSet
+- Support sidecar update functionality for SidecarSet