docs(帮助文档): 更新并新增帮助文档内容

- 修复create_package.hlp中的格式问题
- 在pkg_download_en.hlp中添加空行提高可读性
- 新增network.hlp网络工具文档
- 新增config.hlp系统配置管理文档

data/computercraft/lua/rom/help/config.hlp

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+=== System Configuration Manager ===
+
+The `config` command provides a system configuration manager for LeonOS, allowing you to view, modify, and manage system settings.
+
+== Basic Usage ==
+
+>>color yellow
+config <command> [options] [setting] [value]
+>>color white
+
+== Available Commands ==
+
+- **list**: List all available settings
+- **get <setting>**: Get the value of a specific setting
+- **set <setting> <value>**: Set the value of a specific setting
+- **default <setting>**: Reset a setting to its default value
+- **save**: Save current settings to file
+- **find <pattern>**: Find settings by name or description
+- **help**: Show this help message
+
+== Command Options ==
+
+- **--details**, **-d**: Show detailed information when listing settings
+- **--case-insensitive**, **-i**: Search case-insensitively
+
+== Usage Examples ==
+
+1. List all settings:
+>>color yellow
+config list
+>>color white
+
+2. List all settings with details:
+>>color yellow
+config list --details
+>>color white
+
+3. Get the value of a specific setting:
+>>color yellow
+config get list.show_hidden
+>>color white
+
+4. Set the value of a specific setting:
+>>color yellow
+config set list.show_hidden true
+>>color white
+
+5. Reset a setting to its default value:
+>>color yellow
+config default list.show_hidden
+>>color white
+
+6. Find settings containing a pattern:
+>>color yellow
+config find 'hidden'
+>>color white
+
+7. Find settings with case-insensitive search:
+>>color yellow
+config find 'color' -i
+>>color white
+
+8. Save current settings:
+>>color yellow
+config save
+>>color white
+
+9. Show help information:
+>>color yellow
+config help
+>>color white
+
+== Notes ==
+
+- Changes to settings are not persisted until you run `config save`
+- Some settings may require a system restart to take effect
+- Use `config list --details` to see the type and description of each setting
+- The `find` command searches both setting names and descriptions
+
+== Troubleshooting ==
+
+- If you get an error that a setting is not found, check that you're using the correct setting name
+- If changes don't seem to take effect, make sure you've run `config save` and restarted any affected programs
+- For case-sensitive searches, omit the `-i` option