feat: with protobuf

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/crunch-envelope/benches/envelope_benchmark.rs

@@ -13,6 +13,12 @@ fn envelope_json_benchmark(content: &[u8]) -> () {
     let _ = crunch_envelope::json::unwrap(&out).expect("to be able to unwrap capnp message");
 }
 
+fn envelope_proto_benchmark(content: &[u8]) -> () {
+    let out = crunch_envelope::proto::wrap("some-domain", "some-entity", content);
+
+    let _ = crunch_envelope::proto::unwrap(&out).expect("to be able to unwrap capnp message");
+}
+
 fn criterion_benchmark(c: &mut Criterion) {
     let large_content: [u8; 10000] = [0; 10000];
 
@@ -22,6 +28,9 @@ fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("envelope::json", |b| {
         b.iter(|| envelope_json_benchmark(&large_content))
     });
+    c.bench_function("envelope::proto", |b| {
+        b.iter(|| envelope_proto_benchmark(&large_content))
+    });
 }
 
 criterion_group!(benches, criterion_benchmark);