[improve] improve markdown format for MD003 (apache#2649)

Author: Calvin979

.markdownlint-cli2.jsonc

@@ -18,7 +18,7 @@
   "config": {
     "default": true,
     "MD001": true,
-    "MD003": false,
+    "MD003": true,
     "MD013": {
         "line_length": 600,
         "code_blocks": false,

home/blog/2022-09-04-hertzbeat-v1.1.3.md

@@ -38,5 +38,4 @@ Bugfix.
 
 Online <https://console.tancloud.cn>.
 
-Have Fun
----------
+## Have Fun

home/docs/help/memcached.md

@@ -14,8 +14,6 @@ The default YML configuration for the memcache version is in compliance with 1.4
 You need to use the stats command to view the parameters that your memcache can monitor
 ```
 
-###
-
 **1、Obtain usable parameter indicators through commands such as stats、stats setting、stats settings.
 
 ```shell

home/docs/help/nebulagraph.md

@@ -14,8 +14,6 @@ The monitoring has two parts,nebulaGraph_stats and rocksdb_stats.
 nebulaGraph_stats is nebulaGraph's statistics, and rocksdb_stats is rocksdb's statistics.
 ```
 
-###
-
 **1、Obtain available parameters through the stats and rocksdb stats interfaces.**
 
 1.1、 If you only need to get nebulaGraph_stats, you need to ensure that you have access to stats, or you'll get errors.

home/i18n/zh-cn/docusaurus-plugin-content-blog/2022-09-04-hertzbeat-v1.1.3.md

@@ -36,8 +36,7 @@ Bugfix.
 
 Online <https://console.tancloud.cn>.
 
-Have Fun
----
+## Have Fun
 
 ## V1.1.3
 

home/i18n/zh-cn/docusaurus-plugin-content-docs/current/help/nebulagraph.md

@@ -14,8 +14,6 @@ keywords: [ 开源监控工具, 开源 NebulaGraph 监控工具, 监控 NebulaGr
 nebulaGraph_stats 是 NebulaGraph 的统计信息，rocksdb_stats 是 RocksDB 的统计信息。
 ```
 
-###
-
 **1、通过 stats 和 rocksdb stats 接口获取可用参数。**
 
 1.1、如果只需要获取 nebulaGraph_stats，需要确保可以访问 stats，否则会出现错误。

home/i18n/zh-cn/docusaurus-plugin-content-docs/version-v1.5.x/help/nebulagraph.md

@@ -14,8 +14,6 @@ keywords: [ 开源监控工具, 开源 NebulaGraph 监控工具, 监控 NebulaGr
 nebulaGraph_stats 是 NebulaGraph 的统计信息，rocksdb_stats 是 RocksDB 的统计信息。
 ```
 
-###
-
 **1、通过 stats 和 rocksdb stats 接口获取可用参数。**
 
 1.1、如果只需要获取 nebulaGraph_stats，需要确保可以访问 stats，否则会出现错误。

home/versioned_docs/version-v1.5.x/help/memcached.md

@@ -14,8 +14,6 @@ The default YML configuration for the memcache version is in compliance with 1.4
 You need to use the stats command to view the parameters that your memcache can monitor
 ```
 
-###
-
 **1、Obtain usable parameter indicators through commands such as stats、stats setting、stats settings.
 
 ```shell

home/versioned_docs/version-v1.5.x/help/nebulagraph.md

@@ -14,8 +14,6 @@ The monitoring has two parts,nebulaGraph_stats and rocksdb_stats.
 nebulaGraph_stats is nebulaGraph's statistics, and rocksdb_stats is rocksdb's statistics.
 ```
 
-###
-
 **1、Obtain available parameters through the stats and rocksdb stats interfaces.**
 
 1.1、 If you only need to get nebulaGraph_stats, you need to ensure that you have access to stats, or you'll get errors.