[Feature]: Add `gRPC` php module

### What is your idea or feature suggestion?

Add the `gRPC` php module to devilbox (or add a way to add custom modules so we can add it).

### Benefits

Being able to run projects that use firebase.

### Where can we find information about this?

https://cloud.google.com/php/grpc

### Are you willing to provide a PR to address this?

No