testing version of LuaBIOS and OpenOS

people were having issues getting them to work so now we promote consistency

data/OpenOS/bin/useradd.lua

@@ -0,0 +1,14 @@
+local computer = require("computer")
+local shell = require("shell")
+
+local args = shell.parse(...)
+if #args ~= 1 then
+  io.write("Usage: useradd <name>\n")
+  return 1
+end
+
+local result, reason = computer.addUser(args[1])
+if not result then
+  io.stderr:write(reason..'\n')
+  return 1
+end