[docs update]完善分布式锁的介绍

Author: Snailclimb

README.md

@@ -358,7 +358,8 @@ JVM 这部分内容主要参考 [JVM 虚拟机规范-Java8 ](https://docs.oracle
 
 ### 分布式锁
 
-[分布式锁常见知识点&面试题总结](https://javaguide.cn/distributed-system/distributed-lock.html)
+- [分布式锁介绍](https://javaguide.cn/distributed-system/distributed-lock.html)
+- [分布式锁常见实现方案总结](https://javaguide.cn/distributed-system/distributed-lock-implementations.html)
 
 ### 分布式事务
 

docs/.vuepress/navbar.ts

@@ -2,18 +2,29 @@ import { navbar } from "vuepress-theme-hope";
 
 export default navbar([
   { text: "面试指南", icon: "java", link: "/home.md" },
-  {
-    text: "知识星球",
-    icon: "planet",
-    link: "/about-the-author/zhishixingqiu-two-years.md",
-  },
   { text: "开源项目", icon: "github", link: "/open-source-project/" },
   { text: "技术书籍", icon: "book", link: "/books/" },
   {
     text: "程序人生",
     icon: "article",
     link: "/high-quality-technical-articles/",
   },
+  {
+    text: "知识星球",
+    icon: "planet",
+    children: [
+      {
+        text: "星球介绍",
+        icon: "about",
+        link: "/about-the-author/zhishixingqiu-two-years.md",
+      },
+      {
+        text: "星球优质主题汇总",
+        icon: "star",
+        link: "https://www.yuque.com/snailclimb/rpkqw1/ncxpnfmlng08wlf1",
+      },
+    ],
+  },
   {
     text: "网站相关",
     icon: "about",

docs/.vuepress/sidebar/index.ts

@@ -472,7 +472,7 @@ export default sidebar({
         {
           text: "分布式锁",
           icon: "lock",
-          children: ["distributed-lock"],
+          children: ["distributed-lock", "distributed-lock-implementations"],
         },
         {
           text: "RPC",