Create CONTRIBUTING.md (#7)

* Create CONTRIBUTING.md

CONTRIBUTING.md

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+# Contributing to lvm2go
+
+Thank you for considering contributing to lvm2go! Your contributions are valuable and help improve the project for everyone. To get started, please read the following guidelines.
+
+## Table of Contents
+
+1. [Code of Conduct](#code-of-conduct)
+2. [How to Contribute](#how-to-contribute)
+    - [Reporting Bugs](#reporting-bugs)
+    - [Suggesting Features](#suggesting-features)
+    - [Submitting Code Changes](#submitting-code-changes)
+3. [Development Setup](#development-setup)
+4. [Style Guide](#style-guide)
+5. [Testing](#testing)
+6. [License](#license)
+
+## Code of Conduct
+
+By participating in this project, you agree to abide by the [Contributor Covenant Code of Conduct](CODE_OF_CONDUCT.md). Please report unacceptable behavior to [jakobmoellerdev@example.com](mailto:jakobmoellerdev@example.com).
+
+## How to Contribute
+
+### Reporting Bugs
+
+If you find a bug, please report it by opening an issue on GitHub. Include the following details:
+- A clear and descriptive title
+- Steps to reproduce the bug
+- Expected and actual behavior
+- Any relevant screenshots or logs
+
+### Suggesting Features
+
+We welcome suggestions for new features! To suggest a feature, open an issue on GitHub and include:
+- A clear and descriptive title
+- A detailed description of the feature and its benefits
+- Any relevant mockups or examples
+
+### Submitting Code Changes
+
+1. Fork the repository on GitHub.
+2. Create a new branch with a descriptive name (`feature/new-feature`, `bugfix/issue-123`, etc.).
+3. Make your changes in the new branch.
+4. Ensure your code follows the project's style guidelines and passes all tests.
+5. Commit your changes with clear and concise messages.
+6. Push your branch to your forked repository.
+7. Open a pull request on the main repository and describe your changes.
+
+## Development Setup
+
+To set up a development environment, follow these steps:
+
+1. Clone the repository:
+    ```sh
+    git clone https://github.com/jakobmoellerdev/lvm2go.git
+    cd lvm2go
+    ```
+
+2. Install the necessary dependencies:
+    ```sh
+    # Example for Fedora
+    dnf install lvm2
+    ```
+
+3. Run the library tests:
+    ```sh
+    # Example for a Node.js project
+    sudo go test -v ./...
+    ```
+
+For detailed setup instructions, refer to the project's [README.md](README.md).
+
+## Style Guide
+
+Please adhere to the following style guidelines:
+- Follow the existing code style and conventions.
+- Write clear and concise comments.
+- Use meaningful variable and function names.
+- Format your code using a linter (e.g., ESLint for JavaScript projects).
+
+## Testing
+
+Ensure that your changes do not break existing functionality by running the tests. Add new tests for any new features or bug fixes.
+
+To run tests:
+```sh
+sudo go test -v ./...
+```
+
+Features can only be accepted if rootful tests (Integration Tests on the CI) pass successfully. Only passing Unit Tests is not enough.
+
+## License
+
+By contributing to lvm2go, you agree that your contributions will be licensed under the [Project License](LICENSE).
+
+---
+
+Thank you for your contributions! If you have any questions or need further assistance, feel free to open an issue or contact the project maintainers.