Enhance Zsh and Config Commands, Update Network Configuration

- Implemented comprehensive Zsh installation command with multiple network scenarios
- Added 'config show' subcommand to display agent configuration
- Updated version command to print version information
- Modified Network configuration to clarify internet connectivity status
- Improved download utility with additional file existence checks
- Updated agent-wdd rules and documentation

agent-wdd/config/Config.go

@@ -62,7 +62,7 @@ type OS struct {
 }
 
 type Network struct {
-	Internet   int         `yaml:"internet"`
+	Internet   int         `yaml:"internet",comment:"是否能够上网 外网为9 国内为7 不能上网为1"`
 	Public     PublicInfo  `yaml:"public"`
 	Interfaces []Interface `yaml:"interfaces"`
 }