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CONTRIBUTING.md

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+# Contributing to Arya-f4/Worldshellfinder
+We appreciate your interest in contributing to the Arya-f4/Worldshellfinder! This document provides some basic guidelines for contributors.
+
+## Getting Started
+Always base your work from the dev branch, which is the development branch with the latest code.
+Before creating a Pull Request (PR), make sure there is a corresponding issue for your contribution. If there isn't one already, please create one.
+Include the problem description in the issue.
+## Pull Requests
+When creating a PR, please follow these guidelines:
+
+Link your PR to the corresponding issue.
+Provide context in the PR description to help reviewers understand the changes. The more information you provide, the faster the review process will be.
+Include an example of running the tool with the changed code, if applicable. Provide 'before' and 'after' examples if possible.
+Include steps for functional testing or replication.
+If you're adding a new feature, make sure to include unit tests.
+## Code Style
+Please adhere to the existing coding style for consistency.
+
+## Questions
+If you have any questions or need further guidance, please feel free to ask in the issue or PR, or reach out to the maintainers.
+
+Thank you for your contribution!