add images and update docs-nav.json

docs/zh-Hans/docs-nav.json

@@ -262,6 +262,10 @@
           "text": "种子数据",
           "path": "Data-Seeding.md"
         },
+        {
+          "text": "分布式锁",
+          "path": "Distributed-Locking.md"
+        },
         {
           "text": "虚拟文件系统",
           "path": "Virtual-File-System.md"
@@ -694,6 +698,16 @@
       "text": "测试",
       "path": "Testing.md"
     },
+    {
+      "text": "部署",
+      "path": "Deployment/Index.md",
+      "items": [
+        {
+          "text": "部署到群集环境",
+          "path": "Deployment/Clustered-Environment.md"
+        }
+      ]
+    },
     {
       "text": "示例",
       "items": [