chore: add CODEOWNERS file

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Pedro Valerio

.github/CODEOWNERS

@@ -1,23 +1 @@
-# CODEOWNERS file for AIOS-Fullstack
-# See: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
-
-# Global owner - all files require approval from PO
 * @Pedrovaleriolopez
-
-# Expansion packs require PO approval (especially expansion-creator for community contributions)
-/expansion-packs/expansion-creator/ @Pedrovaleriolopez
-/expansion-packs/etl/ @Pedrovaleriolopez
-
-# Core framework requires PO approval
-/aios-core/ @Pedrovaleriolopez
-
-# Documentation requires PO approval
-/docs/ @Pedrovaleriolopez
-
-# GitHub configuration requires PO approval
-/.github/ @Pedrovaleriolopez
-
-# Package configuration requires PO approval
-/package.json @Pedrovaleriolopez
-/LICENSE @Pedrovaleriolopez
-