feat(docs): 添加docker运维文档及相关资源文件

添加docker运维相关文档，包括：
1. 创建docs/resources目录下的.gitkeep文件
2. 更新.gitattributes添加视频文件类型
3. 在导航栏添加docker运维入口
4. 新增docker运维文档目录结构
5. 添加mongodb和ETLCloud部署指南

docs/.vuepress/notes.ts

@@ -142,6 +142,27 @@ const linux = defineNoteConfig({
     }
   ]
 })
+const docker = defineNoteConfig({
+  dir: 'ops',
+  link: '/ops/docker/',
+  sidebar: [
+    { text: "Docker 运维笔记", link: "/ops/docker/" },
+    {
+      text: "数据库相关",
+      prefix: "docker/",
+      items: [
+        { text: "MongoDB 部署", link: "mongodb" },
+      ]
+    },
+    {
+      text: "其他服务",
+      prefix: "docker/",
+      items: [
+        { text: "ETLCloud 部署", link: "ETLCloud" },
+      ]
+    },
+  ]
+})
 const web = defineNoteConfig({
   dir: 'programming',
   link: '/programming/web/',
@@ -163,5 +184,5 @@ const web = defineNoteConfig({
 export default defineNotesConfig({
   dir: 'notes',
   link: '/',
-  notes: [LeetCode, english, cPlusPlus, solidity, blockchain, linux, cryptography, web],
+  notes: [LeetCode, english, cPlusPlus, solidity, blockchain, linux, docker, cryptography, web],
 })