Update issue templates

.github/ISSUE_TEMPLATE/---feature-request-.md

+---
+name: 建议(Feature request)
+about: 欢迎对PaddleHub提出您的建议
+title: "[FEATURE]"
+labels: ''
+assignees: ''
+
+---
+
+欢迎您对PaddleHub提出建议！
+在留下您的建议时，辛苦您同步提供如下信息：
+- 版本、环境信息
+1）PaddlePaddle版本：请提供您的PaddlePaddle版本号，例如1.4
+1）PaddleHub版本：请提供您的PaddlePaddle版本号，例如0.5
+2）CPU/GPU：您是否使用GPU进行训练，如是，请提供您的CUDA和cuDNN版本号
+3）系统环境：请您描述系统类型、版本，例如Mac OS 10.14
+- 复现信息：如为报错，请给出复现环境、复现步骤
+- 建议描述：请您详细描述，您认为需优化的功能
+
+Thank you for contributing to PaddleHub.
+Before submitting the issue, you could search issue in the github in case that there was a similar issue submitted or resolved before.
+Please make sure that this is a feature request. 
+**System information**
+-PaddlePaddle version （eg.1.4）or CommitID
+-PaddleHub version （eg.0.5）or CommitID
+-CPU: including CPUMKL/OpenBlas/MKLDNN version
+-GPU: including CUDA/CUDNN version
+-OS Platform (eg.Mac OS 10.14)
+**To Reproduce**
+Steps to reproduce the behavior
+**Describe the feature and the current behavior/state.**
+**Any Other info.**