Public Preview: Azure Front Door adds native gRPC support

Announcing the public preview of gRPC support in Azure Front Door. Build and deliver gRPC applications through Azure Front Door Standard and Premium. Now in preview, gRPC support lets you route calls to specific services and methods, distribute traffic across healthy origins, and use supported Azure Front Door security and routing capabilities. gRPC is supported over HTTP/2 and HTTPS from the client through Azure Front Door to the origin, including unary and streaming RPCs. You can also configure gRPC health probes to load balance traffic to healthy origins. [Learn more](https://aka.ms/afdgrpc).