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CONTRIBUTING.md

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+# Contributing to MCBotLib
+
+Thank you for your interest in contributing to this plugin!  
+To ensure consistency in the codebase, we have specific code style guidelines.  
+Please familiarize yourself with these guidelines before submitting your code.
+
+## Code Style
+
+### Java
+
+This project adheres to the [Google Java Style Guide](https://google.github.io/styleguide/javaguide.html).  
+All the rules described in this style guide are mandatory for contributions to MCBotLib.  
+To help you comply with this code style, we suggest using [CheckStyle](https://plugins.jetbrains.com/plugin/1065-checkstyle-idea).