[docs add]网络攻击常见手段总结（安全）

Author: Snailclimb

README.md

@@ -154,6 +154,7 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
 - [TCP 三次握手和四次挥手（传输层）](./docs/cs-basics/network/tcp-connection-and-disconnection.md)
 - [TCP 传输可靠性保障（传输层）](./docs/cs-basics/network/tcp-reliability-guarantee.md)
 - [ARP 协议详解(网络层)](./docs/cs-basics/network/arp.md)
+- [网络攻击常见手段总结（安全）](./docs/cs-basics/network/network-attack-means.md)
 
 ### 数据结构
 

docs/.vuepress/sidebar.ts

@@ -179,6 +179,7 @@ export const sidebarConfig = sidebar({
                 "tcp-connection-and-disconnection",
                 "tcp-reliability-guarantee",
                 "arp",
+                "network-attack-means",
               ],
             },
           ],
@@ -297,12 +298,14 @@ export const sidebarConfig = sidebar({
           text: "Elasticsearch",
           prefix: "elasticsearch/",
           icon: "elasticsearch",
+          collapsible: true,
           children: ["elasticsearch-questions-01"],
         },
         {
           text: "MongoDB",
           prefix: "mongodb/",
           icon: "mongodb",
+          collapsible: true,
           children: ["mongodb-questions-01", "mongodb-questions-02"],
         },
       ],