refactor: 将默认路径从/rc更改为/leonos

更新所有相关文件中的路径引用，统一使用/leonos作为系统目录。同时更新版本号至0.1.7。

data/computercraft/lua/rom/modules/main/rc/json.lua

@@ -22,7 +22,7 @@
 -- SOFTWARE.
 --
 
-local json = { _version = "0.1.2" }
+local json = { _version = "0.1.7" }
 
 -------------------------------------------------------------------------------
 -- Encode

data/computercraft/lua/rom/modules/main/rc/thread.lua

@@ -360,7 +360,7 @@ function api.start()
 
   local _native = term.native()
   wrappedNative = window.create(_native, 1, 1, _native.getSize())
-  api.launchTab("/rc/programs/shell.lua", "shell")
+  api.launchTab("/leonos/programs/shell.lua", "shell")
 
   rc.pushEvent("init")