chore: add CONTRIBUTING.md

CONTRIBUTING.md

@@ -0,0 +1,51 @@
+# CONTRIBUTING
+
+We welcome contributions from everyone in the community. Thank you for your interest in this project.  
+Please follow the procedures and rules below to ensure that all community members can contribute.
+
+- All contributors must adhere to the [Code of Conduct](https://www.contributor-covenant.org/).
+
+## Getting Started
+
+- Fork this repository to your personal repository.
+- Clone it to your local system using `git clone [URL of your forked repository]`.
+- Create a new working branch with `git checkout -b [new branch name]`.
+
+## Issues
+
+### 1. Check for Duplicates
+
+Before creating a new issue, please check existing issues.
+
+### 2. Have a Question?
+
+GitHub issues are for bugs and enhancement suggestions. For questions about the project, please use our contact methods.
+
+### 3. Found a Bug?
+
+If you want to report a bug, please use the bug issue template. It contains questions to help us track and diagnose the issue accurately.
+
+### 4. Feature Requests
+
+When requesting a new feature, please describe the necessity and expected benefits in as much detail as possible.
+
+## Pull Requests
+
+You can submit a PR directly. All commit messages and pull request titles should follow this format:
+
+```markdown
+<type>[optional package scope]: <description>
+
+[optional body]
+
+[optional footer(s)]
+```
+
+## Code Review
+
+- Maintainers or project managers will review the PR and provide feedback if changes are necessary.
+- If there are any modifications needed based on feedback, please update your branch with additional commits.
+
+## License
+
+All code contributed to this project will be distributed under the [project's license](https://github.com/gwansikk/modulepack/blob/main/LICENSE).