Support for local prediction

[michelole]

Currently, score.py is the only "src" file that has no main method and thus cannot be easily run locally.

It would be nice to to have that to ease testing during development.

[FlorianPydde]

Indeed, the debugging is not the most user-friendly approach. The fastest would be to test it with a local model or use this: https://docs.microsoft.com/en-us/azure/machine-learning/how-to-troubleshoot-deployment-local