chore: add github templates (#60)

* chore: add chore issue template

* chore: add pr template

Author: kaihiroi

.github/ISSUE_TEMPLATE/chore.md

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+---
+name: "Chore"
+about: "Request general maintenance tasks for the repository"
+title: "[chore] "
+labels: "type: chore"
+assignees: ""
+
+---
+
+## Type
+
+- [ ] Tooling
+- [ ] Dependency Management
+- [ ] Code Style/Formatting
+- [ ] Documentation Update
+- [ ] Refactoring
+- [ ] Build Process
+- [ ] Other
+
+## Description
+
+Provide a clear and concise description of the maintenance task. Explain why this task is necessary and what it aims to achieve.
+
+## Tasks
+
+- [ ] task

.github/pul_request_template.md

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+---
+labels: "status: in-progress"
+---
+
+## Description
+
+- [link to related issue] or [short description]
+
+(Please include a summary of the changes and which issue to address. Please also include relevant motivation and context. List any dependencies that are required for this change. If applicable, please include screenshots about the feature.)
+
+## Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my feature works
+- [ ] New and existing unit tests pass locally with my changes
+
+Please review the changes and provide feedback.