fix chart name: ks-core to kubeshere (#136)

Author: imroc

incubator/kubesphere/Chart.yaml

@@ -11,7 +11,7 @@ dependencies:
   repository: ""
   version: 1.0.0
 description: A Helm chart for KubeSphere Core components
-name: ks-core
+name: kubeshere
 type: application
 version: 1.1.3
 icon: https://cloudcache.tencent-cloud.com/qcloud/ui/static/Industry_tke/ea64f506-1b27-494e-aa67-30c6ca27e93d.png