Create MAML2Yaml subfolder to store monikerMapping.json

[Saisang]

Create a MAML2Yaml subfolder to store monikerMapping.json, and update path in config. This enforces the docset content built by MAML2Yaml instead of other tools. For details, see https://dev.azure.com/msft-skilling/Content/_workitems/edit/437022

[learn-build-service-prod]

Learn Build status updates of commit 261ec9a:

❌ Validation status: errors

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[learn-build-service-prod]

Learn Build status updates of commit d64536d:

✅ Validation status: passed

File	Status	Preview URL	Details
.openpublishing.publish.config.json	✅Succeeded
reference/mapping/MAML2Yaml/monikerMapping.json	✅Succeeded
reference/mapping/monikerMapping.json	✅Succeeded	n/a (file deleted or renamed)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel