feat: finished zero-copy migration!

now the entire networking and persistence stack is zero-copy with
single-allocation, single-copy reads.

Closes #128

Signed-off-by: Sienna Meridian Satterwhite <sienna@r3t.io>

crates/sync-macros/Cargo.toml

@@ -11,6 +11,7 @@ syn = { version = "2.0", features = ["full"] }
 quote = "1.0"
 proc-macro2 = "1.0"
 inventory = { workspace = true }
+bytes = "1.0"
 
 [dev-dependencies]
 libmarathon = { path = "../libmarathon" }