optimize: add issue and PR template

Signed-off-by: slievrly <[email protected]>

.github/workflows/ISSUE_TEMPLATE/BUG_REPORT.md

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+---
+name: Bug Report    
+
+about: If you would like to report an issue to Apache Seata(incubating), please use this template.
+
+---
+<!-- Please do not use this issue template to report security vulnerabilities but refer to our [security policy](https://github.com/apache/incubator-seata/security/policy). -->
+
+- [ ] I have searched the [issues](https://github.com/apache/incubator-seata-samples/issues) of this repository and believe that this is not a duplicate.
+
+### Ⅰ. Issue Description
+
+
+### Ⅱ. Describe what happened
+
+  If there is an exception, please attach the exception trace:
+
+```
+Just paste your stack trace here!
+```
+
+
+### Ⅲ. Describe what you expected to happen
+
+
+### Ⅳ. How to reproduce it (as minimally and precisely as possible)
+
+1. xxx
+2. xxx
+3. xxx
+
+Minimal yet complete reproducer code (or URL to code):
+
+
+
+### Ⅴ. Anything else we need to know?
+
+
+### Ⅵ. Environment:
+
+- JDK version(e.g. `java -version`):
+- Seata client/server version:  
+- Database version:
+- OS(e.g. `uname -a`):
+- Others:

.github/workflows/ISSUE_TEMPLATE/FEATURE_REQUEST.md

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+---
+name: Feature Request
+
+about: Suggest an idea for Apache Seata(incubating)
+
+---
+<!-- Please do not use this issue template to report security vulnerabilities but refer to our [security policy](https://github.com/apache/incubator-seata/security/policy). -->
+
+## Why you need it?
+ Is your feature request related to a problem? Please describe in details
+
+
+## How it could be?
+A clear and concise description of what you want to happen. You can explain more about input of the feature, and output of it.
+
+
+## Other related information
+Add any other context or screenshots about the feature request here.

.github/workflows/PULL_REQUEST_TEMPLATE.md

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+<!-- Please make sure you have read and understood the contributing guidelines -->
+
+### Ⅰ. Describe what this PR did
+
+
+### Ⅱ. Does this pull request fix one issue?
+<!-- If that, add "fixes #xxx" below in the next line, for example, fixes #97. -->
+
+
+### Ⅲ. Why don't you add test cases (unit test/integration test)? 
+
+
+### Ⅳ. Describe how to verify it
+
+
+### Ⅴ. Special notes for reviews
+