docs: add FORK-CUSTOMIZATIONS.md

Author: ashsolei

FORK-CUSTOMIZATIONS.md

@@ -0,0 +1,26 @@
+# Fork Customizations
+
+> This file documents local modifications made to this forked repository.
+> It is REQUIRED for all forks in the iAiFy enterprise.
+
+## Upstream Source
+
+- **Repository:** https://github.com/openai/openai-agents-python
+- **Last synced:** <!-- Update after each sync -->
+- **Sync method:** Ai-road-4-You/fork-sync workflow
+
+## Local Modifications
+
+<!-- Document each local change below -->
+
+### 1. [Change description]
+
+- **Files modified:** `path/to/file`
+- **Reason:** Why this change was needed
+- **Merge conflict risk:** Low / Medium / High
+
+## Sync Notes
+
+<!-- Any special instructions for syncing with upstream -->
+
+- No special instructions required