[Doc]Add English version of documents in examples/ (#1042)

* 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

examples/application/js/converter/README.md

@@ -1,3 +1,4 @@
+English | [简体中文](README_CN.md)
 # PaddleJsConverter
 
 ## Installation
@@ -26,4 +27,4 @@ pip3 install paddlejsconverter
 ```shell
 paddlejsconverter --modelPath=user_model_path --paramPath=user_model_params_path --outputDir=model_saved_path --useGPUOpt=True
 ```
-注意：useGPUOpt 选项默认不开启，如果模型用在 gpu backend（webgl/webgpu），则开启 useGPUOpt，如果模型运行在（wasm/plain js）则不要开启。
+Note: The option useGPUOpt is not turned on by default. Turn on useGPUOpt if the model is used on gpu backend (webgl/webgpu), don't turn on if is running on (wasm/plain js).