basic_usage中英文文档更新
Created by: luotao1
根据 #620 中提的意见,更新basic_usage中英文文档。文档地址:https://github.com/PaddlePaddle/Paddle/tree/develop/doc/getstarted/basic_usage
Created by: luotao1
根据 #620 中提的意见,更新basic_usage中英文文档。文档地址:https://github.com/PaddlePaddle/Paddle/tree/develop/doc/getstarted/basic_usage