Issue/PR: add templete for issue and PR

It is convenient for communication by using this templete.

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>

.gitee/ISSUE_TEMPLATE.en.md

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+### Bug Description:
+```
+xxx
+xxx
+```
+
+### How reproducible: 
+100%
+### Steps to Reproduce:
+```
+1. xxx
+2. xxx
+```
+### Actual results:
+
+### Expected results:
+
+### Additional info:
+```
+** Qemu Command line**:
+xxx
+
+**Environment**:
+- Version:
+- OS (e.g. from /etc/os-release):
+- Kernel (e.g. `uname -a`):
+- Install tools:
+- Others:
+```

.gitee/ISSUE_TEMPLATE.zh-CN.md

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+### 问题现象描述
+```
+xxx
+xxx
+```
+### 复现概率
+100%必现（偶现）
+### 复现步骤
+```
+1. xxx
+2. xxx
+```
+
+### 发生结果:
+
+### 期望结果:
+
+
+### 补充说明:
+```
+**Qemu命令行**:
+
+**环境情况**:
+- 版本:
+- 操作系统版本 (e.g. from /etc/os-release):
+- 内核版本 (e.g. `uname -a`):
+- 其它:
+```

.gitee/PULL_REQUEST_TEMPLATE.en.md

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+<!-- Thanks for sending a pull request! -->
+
+**[feature/bugfix] What this PR does/title**:
+
+**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
+
+**Special notes for your reviewer**:

.gitee/PULL_REQUEST_TEMPLATE.zh-CN.md

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+<!-- 感谢您的合入申请! -->
+
+**[feature/bugfix]PR功能描述标题**:
+
+**该PR关联的issue** *(格式为fixes #<issue号>, 或者resolves #<issue号>)*: fixes #
+
+**希望检视人员了解**:
+