* add fapiao kie

* fix readme

* fix fanli

* add readme

* add how to do kie en

* add algo kie

* add algo overview en

* rename vqa to kie

* fix read gif

* add sr model

* update for eval

* submit sr

* polish code

* polish code

* polish code

* update sr model

* update doc

* update doc

* update doc

* fix typo

* format code

* update metric

* fix export