add docs for derive-codec-sv2 module

protocols/v2/binary-sv2/no-serde-sv2/derive_codec/Cargo.toml

@@ -19,5 +19,9 @@ binary_codec_sv2 = {version = "^1.0.0", path="../codec"}
 [lib]
 proc-macro = true
 
+[dev-dependencies]
+proc-macro2 = "1.0.89"
+quote = "1.0.37"
+
 [package.metadata.docs.rs]
-all-features = true
+all-features = true

protocols/v2/binary-sv2/no-serde-sv2/derive_codec/README.md

@@ -0,0 +1,22 @@
+# derive-codec-sv2
+
+[![crates.io](https://img.shields.io/crates/v/derive-codec-sv2.svg)](https://crates.io/crates/derive-codec-sv2)
+[![docs.rs](https://docs.rs/derive-codec-sv2/badge.svg)](https://docs.rs/derive-codec-sv2)
+[![rustc+](https://img.shields.io/badge/rustc-1.75.0%2B-lightgrey.svg)](https://blog.rust-lang.org/2023/12/28/Rust-1.75.0.html)
+[![license](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg)](https://github.com/stratum-mining/stratum/blob/main/LICENSE.md)
+
+`derive-codec-sv2` is a Rust crate offering procedural macros for automating serialization and deserialization of structs used within the Sv2 (Stratum V2) protocol. This crate provides `Encodable` and `Decodable` macros to streamline binary data handling, especially useful for protocol-level implementations where efficient encoding and decoding are essential.
+
+## Key Capabilities
+
+- **Automatic Encoding and Decoding**: Derives methods for converting structs to and from binary format, reducing boilerplate code for data    structures used in Sv2.
+- **Attribute-Based Configuration**: Supports `#[already_sized]` attribute for marking fixed-size structs, enabling optimizations in binary handling.
+- **Flexible Field Parsing**: Allows parsing of fields with lifetimes, generics, and static references, enhancing compatibility with various protocol requirements.
+- **Custom Size Calculation**: Provides field-specific size calculation through the derived `GetSize` trait, helpful for dynamic protocol message framing.
+
+## Usage
+
+To include this crate in your project, run:
+
+```sh
+cargo add derive-codec-sv2