Add contributing guide

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

CONTRIBUTING.md

@@ -0,0 +1,31 @@
+# 🙏 Contributing to Github Local Actions
+
+Thank you for your interest in contributing to **GitHub Local Actions**! Whether you're fixing a bug, adding a new feature, or improving the documentation, your contributions are highly valued and help make this project better for everyone.
+
+No contribution is too small—every bit helps! If you're unsure where to start, check out our [open issues](https://github.com/SanjulaGanepola/github-local-actions/issues) or reach out on our [discussion board](https://github.com/SanjulaGanepola/github-local-actions/discussions) to discuss your ideas.
+
+> 👉 Friendly Reminder: By contributing, you are agreeing to follow our [Code of Conduct](https://github.com/SanjulaGanepola/github-local-actions/blob/main/CODE_OF_CONDUCT.md) guidelines. Let’s keep this a welcoming and fun space for everyone to collaborate!
+
+## Getting Started
+
+1. Install [VS Code](https://code.visualstudio.com/download) and [Node.js](https://nodejs.org/en/download/package-manager).
+2. Create a [fork](https://github.com/SanjulaGanepola/github-local-actions/fork) of this repository.
+3. Clone your fork.
+   ```sh
+   git clone https://github.com/your-username/github-local-actions.git
+   cd github-local-actions
+   ```
+4. Install all dependencies.
+    ```sh
+    npm install
+    ```
+5. Use `Run Extension` from VS Code's `Run and Debug` view.
+
+## Contributors
+
+Thanks so much to everyone [who has contributed](https://github.com/SanjulaGanepola/github-local-actions/graphs/contributors) to making GitHub Local Actions a success!
+
+* [@SanjulaGanepola](https://github.com/SanjulaGanepola)
+* [@ChristopherHX](https://github.com/ChristopherHX)
+
+Want to see your name on this list? Join us and contribute!

README.md

@@ -63,7 +63,7 @@ Feel free to share any bugs or feature requests in the project's [GitHub Issues]
 
 ## Contribution
 
-Contributions are always welcome! Please see our contributing guide for more details.
+Contributions are always welcome! Please see our [contributing guide](https://github.com/SanjulaGanepola/github-local-actions/blob/main/CONTRIBUTING.md) for more details.
 
 ## Maintainers