[doc]: fix MD001 heading increment issues in home docs (#4106)

Author: P-Peaceful

home/blog/2022-09-10-ssl-practice.md

@@ -12,7 +12,7 @@ Into the main topic, most of the sites now support HTTPS by default, we apply fo
 
 Today's article describes how to use hertzbeat monitoring system to detect the validity of our website's SSL certificate, when the certificate expires or a few days before the expiration of the certificate, send us an alert message.
 
-#### What is HertzBeat?
+## What is HertzBeat?
 
 HertzBeat is a real-time monitoring tool with powerful customizable monitoring capabilities without the need for an agent. Website monitoring, PING connectivity, port availability, database, OS, middleware, API monitoring, threshold alerts, alert notifications (email weChat pinning flybook).
 
@@ -21,7 +21,7 @@ HertzBeat is a real-time monitoring tool with powerful customizable monitoring c
 github: [https://github.com/apache/hertzbeat](https://github.com/apache/hertzbeat)
 gitee: [https://gitee.com/hertzbeat/hertzbeat](https://gitee.com/hertzbeat/hertzbeat)
 
-#### Install HertzBeat
+### Install HertzBeat
 
 1. If you don't want to install it, you can directly use the cloud service [TanCloud console.tancloud.cn](https://console.tancloud.cn)
 

home/blog/2023-01-08-monitor-shenyu.md

@@ -6,7 +6,7 @@ author_url: https://github.com/tomsun28
 tags: [opensource, practice]
 ---
 
-### Monitoring practice for API gateway Apache ShenYu using HertzBeat, 5 minutes
+## Monitoring practice for API gateway Apache ShenYu using HertzBeat, 5 minutes
 
 ### Introduction to Apache ShenYu
 

home/blog/2023-03-15-hertzbeat-v1.3.0.md

@@ -11,8 +11,8 @@ Website: hertzbeat.com | tancloud.cn
 
 ![HertzBeat](https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/a9629ef5bb6e486cacddb899f1495c6e~tplv-k3u1fbpfcp-zoom-1.image)
 
-### What is HertzBeat?
-
+## What is HertzBeat?
+>
 > HertzBeat is an open source real-time monitoring and alerting tool with powerful custom monitoring capabilities and no Agent required.
 > It supports monitoring of application services, database, operating system, middleware, cloud native, network and other metrics, and threshold alert notification in one step.
 > Support more liberal threshold rules (calculation expressions), `email` `Discord` `Slack` `Telegram` `Pegging` `WeChat` `FlyBook` `SMS` `Webhook` and other ways to timely delivery.

home/blog/2023-05-09-hertzbeat-v1.3.1.md

@@ -11,8 +11,8 @@ Website: hertzbeat.com | tancloud.cn
 
 ![HertzBeat](/img/home/0.png)
 
-### What is HertzBeat?
-
+## What is HertzBeat?
+>
 > [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom-monitoring and agentless.
 > **Monitoring+Alarm+Notify** all in one. Support monitoring web service, database, os, middleware, cloud-native, network and more.
 > Easy to use, full web-based operation, monitoring and alerting at the click of a mouse, zero learning cost.

home/blog/2023-07-05-hertzbeat-v1.3.2.md

@@ -11,8 +11,8 @@ Website: hertzbeat.com | tancloud.cn
 
 ![HertzBeat](/img/home/0.png)
 
-### What is HertzBeat?
-
+## What is HertzBeat?
+>
 > [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom-monitoring and agentless.
 > **Monitoring+Alarm+Notify** all in one. Support monitoring web service, database, os, middleware, cloud-native, network and more.
 > Easy to use, full web-based operation, monitoring and alerting at the click of a mouse, zero learning cost.

home/blog/2023-08-14-hertzbeat-v1.4.0.md

@@ -9,7 +9,7 @@ keywords: [open source monitoring system, alerting system, Linux monitoring]
 
 ![HertzBeat](/img/home/0.png)
 
-### What is HertzBeat?
+## What is HertzBeat?
 
 [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom monitoring, high performance cluster and agentless capabilities.
 

home/blog/2023-09-26-hertzbeat-v1.4.1.md

@@ -9,7 +9,7 @@ keywords: [open source monitoring system, alerting system, Linux monitoring]
 
 ![HertzBeat](/img/home/0.png)
 
-### What is HertzBeat?
+## What is HertzBeat?
 
 [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom monitoring, high performance cluster and agentless capabilities.
 

home/blog/2023-11-12-hertzbeat-v1.4.2.md

@@ -7,7 +7,7 @@ tags: [opensource, practice]
 keywords: [open source monitoring system, alerting system, Linux monitoring]
 ---
 
-### What is HertzBeat?
+## What is HertzBeat?
 
 [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom monitoring, high performance cluster and agentless capabilities.
 

home/blog/2023-12-11-hertzbeat-v1.4.3.md

@@ -7,7 +7,7 @@ tags: [opensource, practice]
 keywords: [open source monitoring system, alerting system]
 ---
 
-### What is HertzBeat?
+## What is HertzBeat?
 
 [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom monitoring, high performance cluster, prometheus-compatible and agentless capabilities.
 

home/blog/2024-01-18-hertzbeat-v1.4.4.md

@@ -7,7 +7,7 @@ tags: [opensource, practice]
 keywords: [open source monitoring system, alerting system]
 ---
 
-### What is HertzBeat?
+## What is HertzBeat?
 
 [HertzBeat](https://github.com/apache/hertzbeat) is an open source, real-time monitoring system with custom monitoring, high performance cluster, prometheus-compatible and agentless capabilities.