fix: 更新安装器版本和默认ROM目录

将安装器版本从0.1.2升级至0.1.3，并将默认ROM目录从/rc更改为/leonos以匹配系统命名规范

data/computercraft/lua/bios.lua

@@ -1,4 +1,4 @@
-_G._HOST = _G._HOST .. " (LeonOS 0.1.2)"
+_G._HOST = _G._HOST .. " (LeonOS 0.1.3)"
 local fs = rawget(_G, "fs")
 
 _G._RC_ROM_DIR = _RC_ROM_DIR or (...) and fs.exists("/rc") and "/rc" or "/rom"
@@ -34,7 +34,7 @@ local rc = {
   _VERSION = {
     major = 0,
     minor = 1,
-    patch = 2
+    patch = 3
   },
   queueEvent  = pull(os, "queueEvent"),
   startTimer  = pull(os, "startTimer"),

installer.lua

@@ -1,6 +1,6 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.1.2"
-local DEFAULT_ROM_DIR = "/rc"
+local INSTALLER_VERSION = "0.1.3"
+local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer...")
 print("[Installer] Loading module 1")