EPAM/MSFT Contribution MR

The next features will be added:

1. [Common Code] Data partitioning feature support (via data-partition-id header)
2. [Common Code] Configurable logger format
3. [Common Code] Common documentation
4. [AZURE] Prometheus metrics endpoint
5. [AZURE] MSI authentication
6. [AZURE] Infrastructure code (AppGW, TLS termination, Azure Deployment)
7. [AZURE] Documentation

Relates to home#2