Azure-docs: Add link to Microsoft document about MongoDB 3.6 features

[AndreSalvadorFerreira]

This page should include a link for the following Micrososft document about the new features on version 3.6: https://devblogs.microsoft.com/cosmosdb/azure-cosmos-dbs-api-for-mongodb-now-supports-server-version-3-6/

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Document Details

⚠ Do not edit this section. It is required for docs.microsoft.com ➟ GitHub issue linking.

• ID: dc2f5f65-888a-1e53-83f3-125bb4f6564b
• Version Independent ID: 68adb7d7-33bd-1267-cbb8-ffa29efdc0e3
• Content: Azure Cosmos DB's API for MongoDB (3.6 version) supported features and syntax
• Content Source: articles/cosmos-db/mongodb-feature-support-36.md
• Service: cosmos-db
• Sub-service: cosmosdb-mongo
• GitHub Login: @sivethe
• Microsoft Alias: sivethe

[NavtejSaini-MSFT]

@AndreSalvadorFerreira We are checking this and will get back to you.

[NavtejSaini-MSFT]

@sivethe Please confirm we can add this link. Once we get the confirmation we will raise the PR.

[NavtejSaini-MSFT]

@sivethe Please confirm if the link can be added in the PR.

[srchi]

@NavtejSaini-MSFT Yes please go ahead and add the link.