chore(template): add issue/PR templates (#125)

relate: #107

Author: fang-tech

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,35 @@
+---
+name: Bug Report
+about: Create a report to help us improve
+title: '[Bug]:'
+labels: 'bug'
+assignees: ''
+
+---
+
+**<u>AgentScope-Java is an open-source project. To involve a broader community, we recommend asking your questions in English.</u>**
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+
+1. You code
+2. How to execute
+3. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Error messages**
+Detailed error messages.
+
+**Environment (please complete the following information):**
+
+- AgentScope-Java Version: [e.g. 1.0.0, check your pom.xml dependency version or run `mvn dependency:tree | grep agentscope-parent:pom`(only mac/linux)]
+- Java Version: [e.g. 17]
+- OS: [e.g. macos, windows]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,13 @@
+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**<u>AgentScope-Java is an open-source project. To involve a broader community, we recommend asking your questions in English.</u>**
+
+
+

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,23 @@
+---
+name: Feature Request
+about: Suggest an idea for this project
+title: '[Feature]: '
+labels: 'enhancement'
+assignees: ''
+
+---
+
+**<u>AgentScope-Java is an open-source project. To involve a broader community, we recommend asking your questions in English.</u>**
+
+
+**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/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,17 @@
+## AgentScope-Java Version
+
+[The version of AgentScope-Java you are working on, e.g. 1.0.0, check your pom.xml dependency version or run `mvn dependency:tree | grep agentscope-parent:pom`(only mac/linux)]
+
+## Description
+
+[Please describe the background, purpose, changes made, and how to test this PR]
+
+## Checklist
+
+Please check the following items before code is ready to be reviewed.
+
+- [ ]  Code has been formatted with `mvn spotless:apply`
+- [ ]  All tests are passing (`mvn test`)
+- [ ]  Javadoc comments are complete and follow project conventions
+- [ ]  Related documentation has been updated (e.g. links, examples, etc.)
+- [ ]  Code is ready for review