Update issue templates (#3427)

* Update issue templates

* Delete duplicate bug report

.github/ISSUE_TEMPLATE/bug-report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- Here is for bug reports and feature requests ONLY! 
+
+If you're looking for help, please check our mail list、WeChat group and the Gitter room.
+
+Please try to use English to describe your issue, or at least provide a snippet of English translation.
+我们鼓励使用英文，如果不能直接使用，可以使用翻译软件，您仍旧可以保留中文原文。
+-->
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Acutally behavior**
+A clear and concise description of what you actually to happen.
+
+**How to Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. Centos]
+ - Version [e.g. nacos-server 1.3.1, nacos-client 1.3.1]
+ - Module [e.g. naming/config]
+ - SDK [e.g. original, spring-cloud-alibaba-nacos, dubbo]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- Here is for bug reports and feature requests ONLY! 
+
+If you're looking for help, please check our mail list、WeChat group and the Gitter room.
+
+Please try to use English to describe your issue, or at least provide a snippet of English translation.
+我们鼓励使用英文，如果不能直接使用，可以使用翻译软件，您仍旧可以保留中文原文。
+-->
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/old-issue-template.md

@@ -0,0 +1,37 @@
+---
+name: Old issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- Here is for bug reports and feature requests ONLY! 
+
+If you're looking for help, please check our mail list、WeChat group and the Gitter room.
+
+Please try to use English to describe your issue, or at least provide a snippet of English translation.
+我们鼓励使用英文，如果不能直接使用，可以使用翻译软件，您仍旧可以保留中文原文。
+-->
+
+## Issue Description
+
+Type: *bug report* or *feature request*
+
+### Describe what happened (or what feature you want)
+
+
+### Describe what you expected to happen
+
+
+### How to reproduce it (as minimally and precisely as possible)
+
+1. 
+2. 
+3. 
+
+### Tell us your environment
+
+
+### Anything else we need to know?