Rename project and fmt

.github/workflows/rust.yml

@@ -1,4 +1,4 @@
-name: Test Rust project
+name: Tonic gRPC
 on: [push]
 jobs:
   test:

tonic-interop/src/bin/client.rs

@@ -1,6 +1,6 @@
 use structopt::{clap::arg_enum, StructOpt};
-use tonic_interop::client;
 use tonic::transport::Channel;
+use tonic_interop::client;
 
 #[derive(StructOpt)]
 struct Opts {