[Doc]Update English version of some documents (#1083)

* 第一次提交

* 补充一处漏翻译

* deleted:    docs/en/quantize.md

* Update one translation

* Update en version

* Update one translation in code

* Standardize one writing

* Standardize one writing

* Update some en version

* Fix a grammer problem

* Update en version for api/vision result

* Merge branch 'develop' of https://github.com/charl-u/FastDeploy into develop

* Checkout the link in README in vision_results/ to the en documents

* Modify a title

* Add link to serving/docs/

* Finish translation of demo.md

* Update english version of serving/docs/

* Update title of readme

* Update some links

* Modify a title

* Update some links

* Update en version of java android README

* Modify some titles

* Modify some titles

* Modify some titles

* modify article to document

* update some english version of documents in examples

* Add english version of documents in examples/visions

* Sync to current branch

* Add english version of documents in examples

* Add english version of documents in examples

* Add english version of documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

* Update some documents in examples

examples/vision/ocr/PP-OCRv2/android/README.md

@@ -200,4 +200,4 @@ It’s simple to replace the FastDeploy prediction library and models. The predi
 ## More Reference Documents
 For more FastDeploy Java API documentes and how to access FastDeploy C++ API via JNI, refer to:
 - [FastDeploy Java SDK in Android](../../../../../java/android/)
-- [FastDeploy C++ SDK in Android](../../../../../docs/cn/faq/use_cpp_sdk_on_android.md)  
+- [FastDeploy C++ SDK in Android](../../../../../docs/en/faq/use_cpp_sdk_on_android.md)