fix broken links (#1071)

Author: Brian969

src/mkdocs/mkdocs.yml

@@ -22,7 +22,7 @@ nav:
       - Functionality:
           - Services: installation/services-list.md
           - Pricing: pricing/sample_pricing.md
-          - Architecture Diagrams: architectures/pbmm/diagrams.md
+          - Architecture Diagrams: architectures/sensitive/diagrams.md
           - Key Account & Capability Overview: installation/what-we-do-where.md          
           - Centralized Logging Details: installation/log-file-locations.md          
           - Accelerator Object Naming: installation/object-naming.md
@@ -40,14 +40,14 @@ nav:
       - Best Practices: developer/best-practices.md
       - How to Contribute: developer/contributing-guidelines.md
       - Release Process: developer/release-process.md
-  - Sample Architecture:
+  - Sample Sensitive Architecture:
       - architectures/index.md
-      - Architecture Diagrams: architectures/pbmm/diagrams.md
-      - Overview: architectures/pbmm/index.md
-      - Account Structure: architectures/pbmm/accounts.md
-      - Networking: architectures/pbmm/network.md
-      - Authentication & Authorization: architectures/pbmm/auth.md
-      - Logging and Monitoring: architectures/pbmm/logging.md
+      - Overview: architectures/sensitive/index.md
+      - Account Structure: architectures/sensitive/accounts.md
+      - Authentication & Authorization: architectures/sensitive/auth.md
+      - Logging and Monitoring: architectures/sensitive/logging.md
+      - Networking: architectures/sensitive/network.md
+      - Architecture Diagrams: architectures/sensitive/diagrams.md
   - Workshops:
       - workshops/index.md
       - Administrator Immersion Day: https://catalog.us-east-1.prod.workshops.aws/v2/workshops/f3ed5d0f-d2f1-47e8-a305-168da9179aaa/en-US/sea-administrators