add news: KubeCon and CloudNativeCon Europe 2021 is coming! Welcome to join us

Signed-off-by: FeynmanZhou <pengfeizhou@yunify.com>

content/en/news/_index.md

@@ -10,6 +10,10 @@ section1:
 
 section2:
   news:
+    - title: 'KubeCon and CloudNativeCon Europe 2021 is coming! Welcome to join us!'
+      description: KubeSphere team will bring a presentation at the Data on Kubernetes Day of KubeCon and CloudNativeCon Europe 2021.
+      image: /images/news/kubecon-eu/kubecon-news-banner.png
+      link: 'join-us-at-kubecon-eu-2021/'
     - title: 'Recap: KubeSphere & Friends 2020 Meetup'
       description: KubeSphere and Friends 2020 Meetup attracted more than 100 individual community members and honored guests to share their ideas and experiences on cloud-native and Kubernetes.
       image: /images/news/meetup-2020/Snip20210201_8.png

content/en/news/join-us-at-kubecon-eu-2021.md

@@ -0,0 +1,38 @@
+---
+title: "KubeCon and CloudNativeCon Europe 2021 is coming! Welcome to join us!"
+keywords: "KubeCon, CloudNativeCon, KubeSphere, Kubernetes"
+description: "KubeSphere team will bring a presentation at the Data on Kubernetes Day of KubeCon and CloudNativeCon Europe 2021."
+createTime: "2021-04-20"
+author: "LindSay, Feynman"
+---
+
+## Introduction to KubeCon and CloudNativeCon Europe 2021
+
+![kubecon-eu-banner](/images/news/kubecon-eu/kubecon-news-banner.png)
+
+[KubeCon and CloudNativeCon Europe 2021](https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/), the Cloud Native Computing Foundation’s flagship conference，gathers adopters and technologists from leading open source and cloud-native communities virtually from May 4 – 7, 2021.
+
+Invited by the Data on Kubernetes Community, KubeSphere Community is excited to announce that we will be presented at the Data on Kubernetes Day and give a speech about the KubeSphere Container Platform.
+
+Let's meet at the event and share experience, demo, and best practice!
+
+## Agenda
+
+- Pain points for enterprises to implement Kubernetes in production
+- Introduction to KubeSphere open source ecosystem: KubeSphere, KubeKey, PorterLB, KubeEye
+- Demo: Implementing Kubernetes multi-cluster management and Cloud-Native observability on KubeSphere
+- KubeSphere Community Growth: Present and Future
+
+## Time
+
+Monday, May 3, 10:30 - 10:55 CEST
+
+
+## How to Register
+
+Pre-registration is required. To [register](https://www.cvent.com/d/hjqknn/4W?ct=63aa65b5-fc54-41a0-b155-32d905d16277&_ga=2.41332450.1168512059.1618925924-519430340.1610346221) for Data on Kubernetes Day, add it on during your KubeCon + CloudNativeCon registration.
+
+## More Details about Data on Kubernetes Day
+
+The Data on Kubernetes Community is an open space in which users of Kubernetes for data share their experiences, compare approaches, and generally commiserate and collaborate. You can learn more details from [Data on Kubernetes Day](https://events.linuxfoundation.org/kubecon-cloudnativecon-europe/program/colocated-events/#data-on-kubernetes-day) and [Dok Community](https://dok.community/).
+

content/en/news/kubesphere-meetup-2020.md

@@ -1,11 +1,9 @@
 ---
-
 title: 'Recap: KubeSphere & Friends 2020 Meetup'
 keywords: KubeSphere, Community, Meetup, Kubernetes
 description: KubeSphere and Friends 2020 Meetup attracted more than 100 individual community members and honored guests to share their ideas and experiences on cloud-native and Kubernetes.
 createTime: '2021-02-02'
 author: 'Feynman, Sherlock, Lindsay'
-
 ---
 
 ![Snip20210201_8](/images/news/meetup-2020/Snip20210201_8.png)