Azure - (2/4) - Adding missing context path for legal

This impacts only Azure Implementation

This MR is part of group of MRs with dependencies between them

0. Update infrastructure (Azure / osdu-infrastructure) to have reference to the new URLs (https://github.com/Azure/osdu-infrastructure/pull/23)
1. Adding missing context path for entitlements.
2. Adding missing context path for legal.
3. Adding missing context path for storage.
4. Adding missing context path for indexer

After merging this MR, the new Legal URL will be: https://{host}/api/legal/v1/

Before merging this MR:

• Please make sure the dependent MR is done: entitlements-azure!11 (merged)

• Update environment variable (AZURE - Common) with the new Legal URL: LEGAL_URL: https://$ (AZURE_LEGAL_SERVICE_NAME).azurewebsites.net/api/legal/v1/

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This PR is related to 6 other requests for changing a URL structure and adding in context paths for services.

1. osdu-infrastructure 1/6 PR https://github.com/Azure/osdu-infrastructure/pull/23
2. CI-CD Pipelines 2/6 This PR
3. Entitlements Azure 3/6 entitlements-azure!11 (merged)
4. Legal 4/6 !32 (merged)
5. Storage 5/6 osdu/platform/system/storage!33 (merged)
6. Indexer 6/6 https://community.opengroup.org/osdu/platform/system/indexer-service

They are all required and any one but not the other will break builds and tests across the entire ecosystem for Azure.