Add blank lines before headers

14_kubernetes_setup/14.1_kubeadm.md

@@ -9,6 +9,7 @@
 参考[安装 Docker](../03_install/README.md) 一节添加 apt/yum 源，之后执行如下命令。
 
 ```bash
+
 ## debian 系
 
 $ sudo apt install containerd.io
@@ -37,6 +38,7 @@ Delegate=yes
 KillMode=process
 Restart=always
 RestartSec=5
+
 ## Having non-zero Limit*s causes performance problems due to accounting overhead
 
 ## in the kernel. We recommend using cgroups to do container-local accounting.
@@ -44,6 +46,7 @@ RestartSec=5
 LimitNPROC=infinity
 LimitCORE=infinity
 LimitNOFILE=infinity
+
 ## Comment TasksMax if your systemd version does not supports it.
 
 ## Only systemd 226 and above support this version.
@@ -59,15 +62,18 @@ WantedBy=multi-user.target
 
 ```toml
 version = 2
+
 ## persistent data location
 
 root = "/var/lib/cri-containerd"
+
 ## runtime state information
 
 state = "/run/cri-containerd"
 plugin_dir = ""
 disabled_plugins = []
 required_plugins = []
+
 ## set containerd's OOM score
 
 oom_score = 0
@@ -315,6 +321,7 @@ $ sysctl --system
 `/etc/systemd/system/kubelet.service.d/10-proxy-ipvs.conf` 写入以下内容
 
 ```bash
+
 ## 启用 ipvs 相关内核模块
 
 [Service]