modules documentation

src/data/mod.rs

@@ -1,3 +1,5 @@
+//! `DataReader` and `DataWriter` traits for reading and writing primitive types in the Minecraft protocol
+
 pub mod reader;
 pub mod varint;
 pub mod writer;

src/packet.rs

@@ -1,3 +1,5 @@
+//! Minecraft packet struct
+
 use crate::data::{DataReader, DataWriter};
 use crate::ProtocolError;
 use std::io::Cursor;

src/zigzag.rs

@@ -1,3 +1,5 @@
+//! VarInt reading helper 
+
 pub trait Zigzag<T> {
     fn zigzag(&self) -> T;
 }