Merge pull request #3 from himeshsiriwardana/pr-5204

Improved sample app content and restored the file name

Author: amanda-ariyaratne

en/identity-server/7.1.0/docs/guides/organization-management/try-a-b2b-use-case-pet-care.md

@@ -674,7 +674,7 @@ nav:
         - Build self-service capabilities: guides/user-self-service/build-self-service-capabilities.md
       - Organizations:
           - Organizations: guides/organization-management/index.md
-          - Try a B2B use case: guides/organization-management/try-a-b2b-use-case-pet-care.md
+          - Try a B2B use case: guides/organization-management/try-a-b2b-use-case.md
           - Set up organizations: guides/organization-management/manage-organizations.md
           - Set up administration for organizations: guides/organization-management/manage-b2b-administration.md
           - Share applications with organizations: guides/organization-management/share-applications.md