Added: contributing guidelines

CONTRIBUTING.md

@@ -0,0 +1,50 @@
+# Contributing
+This article demonstrates how you can contribute to projects under KUOSC.
+
+## How to report bugs,issues?
+If you think you have experienced and unexpected behaviour or possibly a bug.
+
+- Check if any related issue(s) is/are [already](https://github.com/kuosc2005/website/issues) open.
+- If none exist, open a [new](https://github.com/kuosc2005/website/issues/new/choose) one.
+
+### What to include in a new issue?
+
+- [Labels](https://github.com/kuosc2005/website/labels) depending on the type of issue(s)
+- Expected behaviour
+- Observed behaviour
+- Steps to reproduce
+- Include log(s) if available
+- The host environment(optional)
+
+## Have any suggestions or new ideas instead?
+
+- Create an issue and [label](https://github.com/kuosc2005/website/labels) it accordingly
+
+## Contributing to the codebase
+Contributing to this project is easy, and we welcome contributions from everyone. Here are a few guidelines to get you started:
+behavior
+
+- [Fork](https://github.com/kuosc2005/website/fork) the repository
+- Clone the repository
+- Make your changes
+- Test your changes
+- Commit your changes
+- Push your changes
+- Submit a [pull request](https://github.com/kuosc2005/website/pulls)
+
+### What to include in a pull request(PR)?
+
+- Changes made in the codebase
+- If any issues are addressed, reference it in the body
+
+### Writing Commit Messages
+
+- **Use the imperative mood**: Start with an imperative verb, such as "Fix", "Add", "Update","Change" etc.
+- **Keep it concise**: Limit the subject line to 50 characters and use the body to provide additional context if necessary.
+- **Reference related issues**: If your commit addresses a specific issue or task, reference it in the body of pull request using the issue number (eg: Resolved #69).  
+
+Example:
+```txt
+Add: blog for sfd
+Fix: avatar image distortion
+```

README.md

@@ -41,8 +41,8 @@ $ GIT_USER=<Your GitHub username> yarn deploy
 
 If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the `gh-pages` branch.
 
-### Contributing
-
-You can contribute in this repository by forking it, creating a separate branch to do the task, making some changes, and creating pull request in this repository.
+## Contributing
+For contributions see [CONTRIBUTING.md](CONTRIBUTING.md).
 
 **Warning:** DONOT use `npm` or `pnpm` to install dependencies. Rather, just use `yarn`. Github actions will fail if you use anything other than yarn.
+