add code of conduct

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: alari76

CODE_OF_CONDUCT.md

@@ -0,0 +1,31 @@
+# Code of Conduct
+
+## Our Commitment
+
+We are committed to providing a welcoming and inclusive environment for everyone who wants to participate in the Codekin project, regardless of background or experience level.
+
+## Expected Behavior
+
+- Be respectful and considerate in all interactions
+- Give and receive constructive feedback gracefully
+- Focus on what is best for the community and the project
+- Show empathy towards other community members
+
+## Unacceptable Behavior
+
+- Personal attacks, insults, or derogatory comments
+- Publishing others' private information without permission
+- Sustained disruption of discussions or project spaces
+- Any conduct that would reasonably be considered inappropriate in a professional setting
+
+## Scope
+
+This code of conduct applies to all project spaces including GitHub issues, pull requests, discussions, and any other communication channels associated with Codekin.
+
+## Reporting
+
+If you experience or witness unacceptable behavior, please report it by emailing **ripe.floor1024@fastmail.com**. All reports will be reviewed and handled confidentially.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant](https://www.contributor-covenant.org), version 2.1.