Start adding messagepack serialization by adding custom serialize trait to handle csv and messagepack serialization

This is required as csv writer doesn't expose the serde::Serializer implementation, so we can't just use that trait in place of the output writer

Cargo.toml

@@ -23,6 +23,7 @@ chrono = {version = "0.4.23", features = ["default", "serde"]}
 rayon = "1.6.0"
 tokio = { version = "1.26.0", features = ["full"] }
 sqlx = { version = "0.6", features = [ "runtime-tokio-rustls", "mssql" ] }
+rmp-serde = "1.1.1"
 
 # More info on targets: https://doc.rust-lang.org/cargo/reference/cargo-targets.html#configuring-a-target
 [lib]