add english doc for ner (#748)

* add english picture

add english pic.

* add  readme for english.

add readme for english

* update readme_en.md

update readme_en

* del readme_en

* add readme_en

* update readme_en

* update readme_en

* updated readme_en

* del readme_en

* add new readme_en

* del readme en

* add readme en

* del readme_en

* del a pic

* add a pic