* upload NLP interpretation

* fix problems and relocate project

* remove abandoned picture

* remove abandoned picture

* fix dead link in README

* fix dead link in README

* fix code style problems

* fix CR round 1

* remove .gitkeep files

* fix code style

* fix file encoding problem

* fix code style

* delete duplicated files due to directory rebuild

* fix CR round 2

* fix code style

* fix ernie tokenizer

* fix code style

* fix problem from CR round 1

* fix bugs

* fix README

* remove duplicated files

* deal with diff of old and new tokenizer results

* fix CR round 4

* fix code style

* add missing dependence

* fix broken import path

* move some data file to cloud

* MRC upper case to lower case

Co-authored-by: Zeyu Chen <chenzeyu01@baidu.com>
Co-authored-by: binlinquge <xxx>
Co-authored-by: Guo Sheng <guosheng@baidu.com>