Create machine-learning-recommendation-api-documentation.md

The full API documentation of the Azure Machine Learning Recommendations API.
Merge pull request #6148 from oranms/patch-3

Create machine-learning-recommendation-api-documentation.md
Merge branch 'master' of https://github.com/Azure/azure-content into FromPublicRepo
Merge pull request #6153 from Azure/FromPublicRepo

From public repo
Cleaning up extra characters.

Cleaning up extra characters that were specified as required, but show up as extra text.
Adding related video to topic.
Merge pull request #6155 from Erikre/patch-3

Cleaning up extra characters.
Merge pull request #6156 from Erikre/patch-4

Adding related video to topic.
Updates to continuous delivery article
Merge branch 'master' of github.com:Azure/azure-content-pr
Merge pull request #6160 from ghogen/master

Update continuous delivery article
Merge branch 'master' of https://github.com/Azure/azure-content into FromPublicRepo
Merge pull request #6166 from Azure/FromPublicRepo

From public repo
Merge pull request #2307 from Azure/FromPrivateRepo

From private repo