docs: add CONTRIBUTION.md and update README.md with contribution guidelines

- Added CONTRIBUTION.md to provide guidelines for contributing to the project.
- Updated README.md to include a link to CONTRIBUTION.md for easy access to contribution guidelines.

CONTRIBUTION.md

@@ -0,0 +1,54 @@
+# Contribution Guidelines
+
+Thank you for considering contributing to this project! Your help is greatly appreciated. Please follow these guidelines to ensure a smooth contribution process.
+
+## How to Contribute
+
+1. **Fork the repository**: Click the "Fork" button at the top right of this repository to create a copy of the repository in your GitHub account.
+
+2. **Clone your fork**: Clone your forked repository to your local machine.
+    ```sh
+    git clone https://github.com/BreizhHardware/ntfy_alerts.git
+    cd ntfy_alerts
+    ```
+
+3. **Create a new branch**: Create a new branch for your feature or bugfix.
+    ```sh
+    git checkout -b feat/my-feature-branch
+    ```
+
+4. **Make your changes**: Make your changes to the codebase. Ensure your code follows the project's coding standards and includes appropriate tests.
+
+5. **Commit your changes**: Commit your changes with a clear and concise commit message using conventional commit.
+    ```sh
+    git add .
+    git commit -m "feat: add feature X"
+    ```
+
+6. **Push to your fork**: Push your changes to your forked repository.
+    ```sh
+    git push origin feat/my-feature-branch
+    ```
+
+7. **Create a Pull Request**: Go to the original repository and create a pull request from your forked repository. Provide a clear description of your changes and the problem they solve.
+
+## Code Style
+
+- Follow the existing code style and conventions.
+- Write clear and concise comments where necessary.
+- Ensure your code is well-documented.
+
+## Testing
+
+- Write tests for any new features or bug fixes.
+- Ensure all tests pass before submitting your pull request.
+
+## Reporting Issues
+
+If you find a bug or have a feature request, please create an issue on the GitHub repository. Provide as much detail as possible to help us understand and address the issue.
+
+## Code of Conduct
+
+Please note that this project is released with a Contributor Code of Conduct. By participating in this project, you agree to abide by its terms.
+
+Thank you for contributing!

README.md

@@ -95,7 +95,7 @@ GHNTFY_TOKEN is a github token, it need to have repo, read:org and read:user
 
 ## Contribution
 
-If you want to contribut, feel free to open a pull request (CONTRIBUTION.md comming soon)!
+If you want to contribut, feel free to open a pull request, but first read the [contribution guide](CONTRIBUTION.md)!
 
 ## TODO:
 - [x] Dockerize the ntfy.py