Merge pull request #75 from cybozu/add-contributing-md

Added CONTRIBUTING.md

Author: Kyome22

CONTRIBUTING.md

@@ -0,0 +1,31 @@
+# Contributing Guide
+
+This document is a guideline for contributing to WebUI.
+
+We Welcome Your Contribution!  
+We value and appreciate your contributions. This project thrives due to the support and collaboration of our community members.
+
+## Language Policy
+
+When creating Issues or Pull Requests, please write in **English**. This ensures effective communication among contributors from diverse backgrounds.
+
+## Start Contributing
+
+1. **Create an Issue**  
+   If you find a problem or have a suggestion for a new feature, start by creating an issue. This provides a platform to discuss with other contributors and maintainers. If you spot a typo or other small mistake, feel free to create a pull request directly.
+
+2. **Fork and Clone**  
+   Before proposing your changes, fork this repository and clone it locally.
+
+3. **Create a Branch**  
+   When suggesting a new feature or fix, create a branch with a appropriate branch name. There is no fixed format for branch names.
+
+4. **Commit and Push Your Changes**  
+   Commit your changes to your local branch and push them to your forked repository.
+
+5. **Create a Pull Request**  
+   To get your changes merged into this repository, create a pull request with a appropriate title. There is no fixed format for pull request titles.
+
+## Code Style Guide
+
+Follow [Swift API Design Guidelines](https://www.swift.org/documentation/api-design-guidelines/).

README.md

@@ -160,6 +160,10 @@ WebUI is available through [Swift Package Manager](https://github.com/apple/swif
 
 This library does not collect or track user information, so it does not include a PrivacyInfo.xcprivacy file.
 
+## Contributing to WebUI
+
+Contributions to WebUI are welcomed and encouraged! Please see the [Contributing Guide](/CONTRIBUTING.md).
+
 ## Demo
 
 This repository includes demonstration app for iOS & macOS.