Merge pull request #30 from apecloud/support/update-09-docs-overview

chore: update 09 docs overview

Author: shanshanying

docs/en/preview/cli/kbcli_addon_delete-resources-with-version.mdx

@@ -1,4 +1,4 @@
 position: 12
-label: KubeBlocks for MySQL Community Edition
-collapsible: true 
+label: KubeBlocks for MySQL
+collapsible: true
 collapsed: true

docs/en/preview/kubeblocks-for-mysql/_category_.yml

@@ -32,7 +32,7 @@ With object storage services prepared, it's time to configure BackupRepo. KubeBl
 * Manual BackupRepo configuration for on-demand scenarios.
 
 
-If you don't have any object storage at hand, please refer to [Install Minio](#install-minio)
+If you don't have any object storage at hand, please refer to [Install MinIO](#install-minio)
 
 ### Access BackupRepo
 

docs/en/preview/user_docs/concepts/backup-and-restore/backup/backup-repo.mdx

@@ -1,9 +1,9 @@
 ---
-title: Overview
-description: Overview
+title: Introduction
+description: Introduction
 keywords: [in-place update, overview]
 sidebar_position: 1
-sidebar_label: Overview
+sidebar_label: Introduction
 ---
 
 # Overview