Please fix broken links in API Sample Readme [Python]

[dashinja]

The readme for Python Sample Projects (aka: https://github.com/Azure-Samples/azure-video-indexer-samples/blob/master/API-Samples/Python/README.md)

Has the following links which lead to 404:
In the first paragraph -
"It is highly recommend to first read the more detailed documentation which can be found [here](https://aka.ms/avam-arm-docs)."

This, found at the end of the page of the same Readme:
For more information visit [here](https://docs.microsoft.com/en-us/azure/media-services/video-indexer/video-indexer-use-apis)

Which is found here on the ReadMe page for