docs(contributing): add CONTRIBUTING.md with guidelines for contribut…

…ors (#571)

* docs(contributing): add CONTRIBUTING.md with guidelines for contributors

* docs(contributing): add note on bug bounty

* coderabbit suggestion

CONTRIBUTING.md

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+# Contributing to SafetyCLI
+
+First off, thanks for taking the time to contribute! We welcome contributions from everyone and are grateful for your help in making SafetyCLI better.
+
+## Table of Contents
+- [Contributing to SafetyCLI](#contributing-to-safetycli)
+  - [Table of Contents](#table-of-contents)
+  - [How Can I Contribute?](#how-can-i-contribute)
+    - [Reporting Bugs](#reporting-bugs)
+    - [Suggesting Enhancements](#suggesting-enhancements)
+    - [Improving Documentation](#improving-documentation)
+  - [Getting Started](#getting-started)
+    - [Code of Conduct](#code-of-conduct)
+    - [Development Setup](#development-setup)
+    - [Running Tests](#running-tests)
+  - [Pull Request Process](#pull-request-process)
+    - [Commit Messages](#commit-messages)
+    - [Merging Changes](#merging-changes)
+  - [License](#license)
+
+## How Can I Contribute?
+
+### Reporting Bugs
+
+If you find a bug, please report it by opening a [GitHub issue](https://github.com/pyupio/safety/issues). When reporting a bug, please include:
+- A clear and descriptive title.
+- Steps to reproduce the issue.
+- Expected and actual behavior.
+- Any relevant logs or screenshots.
+- The version of SafetyCLI and Python you are using.
+
+If your bug report has security implications or involves a potential vulnerability, we encourage you to participate in our [Bug Bounty Program](https://safetycli.com/resources/bug-bounty). Your responsible disclosure will help us improve the security of our software and may be eligible for a reward.
+
+Please use the appropriate label when creating an issue:
+- `bug`: Indicates a problem that needs to be resolved.
+- `Critical`: Issues that break core functionality or pose significant security vulnerabilities.
+- `High`, `Medium`, `Low`: Significance of bugs affecting users.
+
+### Suggesting Enhancements
+
+To suggest an enhancement, open an issue with details on the proposed improvement:
+- A detailed description of the enhancement.
+- A rationale for why the enhancement is needed.
+- Any possible alternatives or workarounds.
+
+Please use the following label:
+- `enhancement`: Suggests an improvement or new feature.
+
+### Improving Documentation
+
+Improving documentation is one of the best ways to contribute. You can suggest improvements, correct typos, or add new sections. The documentation is located [here](https://docs.safetycli.com/safety-docs).
+
+Please use the following label:
+- `documentation`: Indicates issues related to documentation improvements or updates.
+
+Before submitting code changes, please ensure:
+- Your changes are focused on a single issue or feature.
+- You have written tests for your changes.
+- All tests pass locally.
+
+Please use the following labels as needed:
+- `help wanted`: Requests assistance from the community or other contributors.
+- `good first issue`: Highlights issues that are suitable for first-time contributors.
+
+## Getting Started
+
+### Code of Conduct
+
+Please read and adhere to our [Code of Conduct](CODE_OF_CONDUCT.md) to ensure a welcoming environment for all contributors.
+
+### Development Setup
+1. **Clone the repository:**
+   ```bash
+   git clone https://github.com/pyupio/safety.git
+   ```
+
+2. **Set up your environment:**
+- Ensure you are using Python 3.11.2.
+- Install dependencies:
+    ```bash
+    pip install -r requirements.txt
+    ```
+
+### Running Tests
+We use pytest for running tests. To run the tests locally:
+    ```pytest```
+
+Ensure all tests pass before submitting your changes.
+
+## Pull Request Process
+
+### Commit Messages
+
+We follow Conventional Commits for our commit messages. Please ensure your commits adhere to this specification.
+Use the following format:
+
+```markdown
+<type>(<scope>): <description>
+
+[optional body]
+
+[optional footer(s)]
+```
+
+### Merging Changes
+- Ensure all CI checks pass.
+- A project maintainer will review and merge the pull request.
+- Pull requests require at least one approval before merging.
+
+## License
+By contributing to SafetyCLI, you agree that your contributions will be licensed under the same [MIT License](https://github.com/pyupio/safety/blob/main/LICENSE) that covers the project.