Release SWCK 0.3.0 (#252)

Signed-off-by: Gao Hongtao <hanahmily@gmail.com>
diff --git a/content/events/release-apache-skywalking-cloud-on-kubernetes-0-3-0/index.md b/content/events/release-apache-skywalking-cloud-on-kubernetes-0-3-0/index.md
new file mode 100644
index 0000000..2f054ff
--- /dev/null
+++ b/content/events/release-apache-skywalking-cloud-on-kubernetes-0-3-0/index.md
@@ -0,0 +1,10 @@
+---
+title: Release Apache SkyWalking Cloud on Kubernetes 0.3.0
+date: 2021-04-06
+author: SkyWalking Team
+---
+
+SkyWalking Cloud on Kubernetes 0.3.0 is released. Go to [downloads](/downloads) page to find release tars.
+
+- Support special characters in the metric selector of HPA metric adapter.
+- Add the namespace to HPA metric name.
diff --git a/data/docs.yml b/data/docs.yml
index 1f579a7..a10311b 100644
--- a/data/docs.yml
+++ b/data/docs.yml
@@ -111,8 +111,8 @@
       user: apache
       repo: skywalking-swck
       docs:
-        - version: v0.2.0
-          link: https://github.com/apache/skywalking-swck/tree/0.2.0
+        - version: v0.3.0
+          link: https://github.com/apache/skywalking-swck/tree/0.3.0
 
     - name: Docker Files
       icon: D
diff --git a/data/releases.yml b/data/releases.yml
index 129ce92..cd49841 100644
--- a/data/releases.yml
+++ b/data/releases.yml
@@ -187,25 +187,25 @@
   icon: K
   description:  A bridge project between Apache SkyWalking and Kubernetes.
   source:
-    - version: v0.2.0
-      date: Jan. 31st, 2020
+    - version: v0.3.0
+      date: April. 6th, 2021
       downloadLink:
         - name: src
-          link: https://www.apache.org/dyn/closer.cgi/skywalking/swck/0.2.0/skywalking-swck-0.2.0-src.tgz
+          link: https://www.apache.org/dyn/closer.cgi/skywalking/swck/0.3.0/skywalking-swck-0.3.0-src.tgz
         - name: asc
-          link: https://downloads.apache.org/skywalking/swck/0.2.0/skywalking-swck-0.2.0-src.tgz.asc
+          link: https://downloads.apache.org/skywalking/swck/0.3.0/skywalking-swck-0.3.0-src.tgz.asc
         - name: sha512
-          link: https://downloads.apache.org/skywalking/swck/0.2.0/skywalking-swck-0.2.0-src.tgz.sha512
+          link: https://downloads.apache.org/skywalking/swck/0.3.0/skywalking-swck-0.3.0-src.tgz.sha512
   distribution:
-    - version: v0.2.0
-      date: Jan. 31st, 2020
+    - version: v0.3.0
+      date: April. 6th, 2021
       downloadLink:
         - name: tar
-          link: https://www.apache.org/dyn/closer.cgi/skywalking/swck/0.2.0/skywalking-swck-0.2.0-bin.tgz
+          link: https://www.apache.org/dyn/closer.cgi/skywalking/swck/0.3.0/skywalking-swck-0.3.0-bin.tgz
         - name: asc
-          link: https://downloads.apache.org/skywalking/swck/0.2.0/skywalking-swck-0.2.0-bin.tgz.asc
+          link: https://downloads.apache.org/skywalking/swck/0.3.0/skywalking-swck-0.3.0-bin.tgz.asc
         - name: sha512
-          link: https://downloads.apache.org/skywalking/swck/0.2.0/skywalking-swck-0.2.0-bin.tgz.sha512
+          link: https://downloads.apache.org/skywalking/swck/0.3.0/skywalking-swck-0.3.0-bin.tgz.sha512