Enhance code standards, update contributing guidelines, and add tests for SYNC plugin functionality

CONTRIBUTING.md

@@ -1,23 +1,23 @@
-# 🤝 Contributing to NetAlertX
+# Contributing to NetAlertX
 
 First off, **thank you** for taking the time to contribute! NetAlertX is built and improved with the help of passionate people like you.
 
 ---
 
-## 📂 Issues, Bugs, and Feature Requests
+## Issues, Bugs, and Feature Requests
 
 Please use the [GitHub Issue Tracker](https://github.com/netalertx/NetAlertX/issues) for:
-- Bug reports 🐞
-- Feature requests 💡
-- Documentation feedback 📖
+- Bug reports
+- Feature requests
+- Documentation feedback
 
 Before opening a new issue:
-- 🛑 [Check Common Issues & Debug Tips](https://docs.netalertx.com/DEBUG_TIPS#common-issues)
-- 🔍 [Search Closed Issues](https://github.com/netalertx/NetAlertX/issues?q=is%3Aissue+is%3Aclosed)
+- [Check Common Issues & Debug Tips](https://docs.netalertx.com/DEBUG_TIPS#common-issues)
+- [Search Closed Issues](https://github.com/netalertx/NetAlertX/issues?q=is%3Aissue+is%3Aclosed)
 
 ---
 
-## 🚀 Submitting Pull Requests (PRs)
+## Submitting Pull Requests (PRs)
 
 We welcome PRs to improve the code, docs, or UI!
 
@@ -29,9 +29,14 @@ Please:
 - If relevant, add or update tests and documentation
 - For plugins, refer to the [Plugin Dev Guide](https://docs.netalertx.com/PLUGINS_DEV)
 
+
+## Code quality
+
+- read and follow the [code-standards](/.github/skills/code-standards/SKILL.md)
+
 ---
 
-## 🌟 First-Time Contributors
+## First-Time Contributors
 
 New to open source? Check out these resources:
 - [How to Fork and Submit a PR](https://opensource.guide/how-to-contribute/)
@@ -39,15 +44,15 @@ New to open source? Check out these resources:
 
 ---
 
-## 🔐 Code of Conduct
+## Code of Conduct
 
 By participating, you agree to follow our [Code of Conduct](./CODE_OF_CONDUCT.md), which ensures a respectful and welcoming community.
 
 ---
 
-## 📬 Contact
+## Contact
 
 If you have more in-depth questions or want to discuss contributing in other ways, feel free to reach out at:
-📧 [jokob@duck.com](mailto:jokob@duck.com?subject=NetAlertX%20Contribution)
+[jokob.sk@gmail.com](mailto:jokob.sk@gmail.com?subject=NetAlertX%20Contribution)
 
 We appreciate every contribution, big or small! 💙