Update mkdocs.yml

Author: lambertciata

Documentation_website/mkdocs.yml

@@ -57,6 +57,7 @@ nav:
         - Overview: 'Data-Model/features.md'
         - Activity Model: 'Data-Model/activity-model.md'
         - Code Lists: 'Data-Model/code-lists.md'
+        - Skeleton indicator: 'Data-Model/skeleton.md'
       - Business requirements:
         - Overview: 'Data-Model/businessrequirements.md'
         - Shipper letter of instriction: 'Data-Model/sli.md'
@@ -73,7 +74,8 @@ nav:
     - Data Orchestration:
       - Introduction: 'Orchestration/index.md'
       - CargoXML Mapping: 'Orchestration/orchestration-cxml.md'
-#      - PLACI implementation: 'Orchestration/placi.md'
+      - XFWB Mapping: 'Orchestration/xfwb.md'
+      - PLACI implementation: 'Orchestration/placi.md'
       - MOP mapping:
         - Introduction: 'Orchestration/orchestration-mop.md'
         - P01 - Book Shipment: 'Orchestration/orchestration-01.md'