Update issue templates

Author: AlexV525

.github/ISSUE_TEMPLATE/bug-report--bug---.md

@@ -0,0 +1,37 @@
+---
+name: Bug report (BUG模板)
+about: Create a bug report to help us fix it. (创建一个BUG报告以帮助我们进行修复)
+title: "[BUG] Error with something"
+labels: await investigate, bug
+assignees: ''
+
+---
+
+**Describe the bug (描述)**
+A clear and concise description of what the bug is. 请用精炼的语句准确描述你遇到的BUG。
+
+**How to reproduce (如何复现)**
+Please **provide a minimum demo** rather than **a full project or a incomplete pages**. Otherwise we have rights to reject your request.
+
+请提供一个**最小化的demo**用于复现，而不要提供**整个项目或者不完整的页面**，否则我们有权拒绝你的请求。
+
+Steps to reproduce the behavior (描述复现步骤):
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior (期望行为)**
+A clear and concise description of what you expected to happen.
+
+**Screenshots (If contains) (是否有截图可以提供)**
+If applicable, add screenshots to help explain your problem.
+
+**Device information (设备信息)**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Package Version: [e.g. 22]
+ - Flutter Version: [e.g. v1.17.1]
+
+**Additional context (附加信息)**
+Add any other context about the problem here. 在此提供更多的内容。