feat: add configuration backup, sync, and version checker services

- Implemented ConfigBackupService for backing up local configuration files.
- Added ConfigSyncService to download configuration files from GitHub with remote-first conflict resolution.
- Created VersionChecker to check application version against the latest GitHub release with caching.
- Introduced security validation utilities for input validation to prevent common vulnerabilities.
- Developed utility functions to start and stop Docusaurus documentation server.

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/workflows/level-1-ultra-lightweight.mdx

@@ -1,6 +1,6 @@
 ---
-title: 层级 1: 超轻量工作流
-description: 急速执行工作流 - 零开销直接执行
+title: "层级 1: 超轻量工作流"
+description: "急速执行工作流 - 零开销直接执行"
 sidebar_position: 2
 ---
 

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/workflows/level-2-rapid.mdx

@@ -1,6 +1,6 @@
 ---
-title: 层级 2: 快速工作流
-description: 轻量规划和漏洞诊断工作流 - 适用于单模块功能
+title: "层级 2: 快速工作流"
+description: "轻量规划和漏洞诊断工作流 - 适用于单模块功能"
 sidebar_position: 3
 ---
 

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/workflows/level-3-standard.mdx

@@ -1,6 +1,6 @@
 ---
-title: 层级 3: 标准工作流
-description: 标准规划工作流 - 完整规划和 TDD 开发
+title: "层级 3: 标准工作流"
+description: "标准规划工作流 - 完整规划和 TDD 开发"
 sidebar_position: 4
 ---
 

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/workflows/level-4-brainstorm.mdx

@@ -1,6 +1,6 @@
 ---
-title: 层级 4: 头脑风暴工作流
-description: 多角色头脑风暴工作流 - 协作探索和创意生成
+title: "层级 4: 头脑风暴工作流"
+description: "多角色头脑风暴工作流 - 协作探索和创意生成"
 sidebar_position: 5
 ---
 

ccw/docs-site/i18n/zh/docusaurus-plugin-content-docs/current/workflows/level-5-intelligent.mdx

@@ -1,6 +1,6 @@
 ---
-title: 层级 5: 智能工作流
-description: 智能编排工作流 - 自动分析和推荐
+title: "层级 5: 智能工作流"
+description: "智能编排工作流 - 自动分析和推荐"
 sidebar_position: 6
 ---