fix(commands): 修复命令帮助信息中的字符串格式错误

将多行字符串的引号格式从错误的分行写法修正为使用双括号语法，确保命令帮助信息能正确显示

data/computercraft/lua/rom/programs/commands.lua

@@ -8,8 +8,8 @@ local function printHelp()
   print("Options:")
   print("  --help, -h    Show this help message")
   print("  --verbose, -v Show command file paths")
-  print("
-Lists all available commands in LeonOS.")
+  print([[
+Lists all available commands in LeonOS.]])
 end
 
 -- 主函数

installer.lua

@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.3.7 Beta 5"
+local INSTALLER_VERSION = "0.3.7 Beta 6"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")