fix: 更新安装程序版本号并优化shell欢迎界面

- 将安装程序版本号从0.3.7 Beta 9更新至0.3.7 Beta 10
- 重构shell.lua中的欢迎界面显示逻辑，避免重复代码
- 统一在shell启动时显示欢迎信息和图标

data/computercraft/lua/rom/programs/shell.lua

@@ -27,24 +27,9 @@ local textutils = require("textutils")
 
 if os.version then
   textutils.coloredPrint(colors.yellow, os.version(), colors.white)
-  local image = paintutils.parseImage([[
- f  f
-
-f    f
- ffff
-  ]])
-  paintutils.drawImage(image, term.getCursorPos())
 else
   textutils.coloredPrint(colors.yellow, rc.version(), colors.white)
-    local image = paintutils.parseImage([[
- f  f
-
-f    f
- ffff
-  ]])
-  paintutils.drawImage(image, term.getCursorPos())
 end
-textutils.coloredPrint(colors.yellow, "Welcome using the beta version of LeonOS!", colors.white)
 
 thread.vars().parentShell = thread.id()
 shell.init(_ENV)
@@ -97,6 +82,14 @@ for _, prog in ipairs(fs.list(completions)) do
 end
 
 local history = {}
+local image = paintutils.parseImage([[
+ f  f
+
+f    f
+ ffff
+]])
+paintutils.drawImage(image, term.getCursorPos())
+textutils.coloredPrint(colors.yellow, "Welcome using the beta version of LeonOS!", colors.white)
 while true do
   term.setTextColor(colors.yellow)
   rc.write("$ "..shell.dir().." >>> ")

installer.lua

@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.3.7 Beta 9"
+local INSTALLER_VERSION = "0.3.7 Beta 10"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")