prepare to rewrite on how to process sexp result

meet some trouble when parsing sexp and process the parsed result.
prepare to rewrite the code on result process.
book in doc/zh-cn, some bad code to process sexp result

reorganize doc/zh-cn/ folder, split 求道以至于太极--太极语言 to a sub folder with many files
some bad code to process sexp result, fail to be tested.