refactor: 将默认路径从/leonos更改为/rc

修改多个文件中的默认路径变量，将/leonos统一替换为/rc，以简化路径命名并保持一致性

data/computercraft/lua/rom/startup/00_fs.lua

@@ -22,7 +22,7 @@ local function expect(...)
 end
 
 -- path resolution:
--- if the path begins with /leonos, then redirect to wherever that actually
+-- if the path begins with /rc, then redirect to wherever that actually
 -- is; otherwise, resolve the path based on the current program's working
 -- directory
 -- this is to allow .OS to run from anywhere
@@ -72,8 +72,8 @@ function fs.list(path)
   local _, files = pcall(list, path)
   if not _ then return nil, files end
   if path == "/" then
-    -- inject /leonos into the root listing
-    if not exists("/leonos") then
+    -- inject /rc into the root listing
+    if not exists("/rc") then
       files[#files+1] = "rc"
     end
   end

data/computercraft/lua/rom/startup/10_package.lua

@@ -6,7 +6,7 @@ _G.package = {}
 
 package.config = "/\n;\n?\n!\n-"
 package.cpath = ""
-package.path = "/leonos/apis/?.lua;/leonos/modules/main/?.lua;./lib/?.lua;./lib/?/init.lua;./?.lua;./?/init.lua"
+package.path = "/rc/apis/?.lua;/rc/modules/main/?.lua;./lib/?.lua;./lib/?/init.lua;./?.lua;./?/init.lua"
 
 local function rm(api)
   local tab = _G[api]
@@ -76,7 +76,7 @@ package.searchers = {
 
 local fs = package.loaded.fs
 -- require isn't here yet
-local expect = loadfile("/leonos/modules/main/cc/expect.lua")()
+local expect = loadfile("/rc/modules/main/cc/expect.lua")()
 package.loaded["cc.expect"] = expect
 
 function package.searchpath(name, path, sep, rep)