[Chore] Add ORCID ID to citation file

- Added ORCID identifier (0009-0004-4917-0999) to author information in CITATION.cff
- Ensures proper attribution and author identification for academic citations

Author: stefanoamorelli

CITATION.cff

@@ -3,6 +3,7 @@ message: "If you use this software in your research or work, please cite it as b
 authors:
   - family-names: Amorelli
     given-names: Stefano
+    orcid: https://orcid.org/0009-0004-4917-0999
 title: "Federal Reserve Economic Data MCP (Model Context Protocol) Server"
 version: 1.0.0
 date-released: 2025-05-13