Implement native UDP transport reliability (#52)

crates/libremetaverse/src/lib.rs

@@ -20,6 +20,7 @@ mod skeleton;
 #[rustfmt::skip] // Deterministic machine output is formatted by the pinned generator.
 mod skeleton_catalog;
 mod targa;
+mod udp_transport;
 #[rustfmt::skip] // Deterministic machine output is formatted by the pinned generator.
 mod visual_catalog;
 
@@ -204,6 +205,10 @@ pub use libremetaverse_imaging as imaging_abstractions;
 pub use libremetaverse_structured_data as structured_data;
 pub use libremetaverse_types as types;
 pub use libremetaverse_types::Error;
+pub use udp_transport::{
+    AgentThrottleSender, UdpPacketHandler, UdpThrottleCategory, UdpTransportConfig,
+    UdpTransportError, UdpTransportStats,
+};
 
 /// Rust object-safe view of the C# `InventoryBase` inheritance hierarchy.
 pub trait InventoryObjectClass: std::any::Any {