Update docs

README.md

@@ -16,7 +16,7 @@ println!("{}", timestamp); // Timestamp(1701620628123456789)
 - **Derive trait `StrongType`:** Create a named strong type. 
   - The macro automatically implement common traits like `Clone`, `Debug`, `Default`, `PartialEq`, `PartialOrd`, `Send`, and `Sync`. It also implements `Display` by default, unless overridden by the custom_display attribute. 
   - Conditionally, based on the underlying data type, traits like `Copy`, `Eq`, `Ord`, `Hash` may also be implemented. For primitive data types like `i32` or `bool`, these additional traits will be automatically included.
-  - Numeric types, both integer and floating-point, also implement constants `MIN`, `MAX`, and `ZERO`. Additionally, for floating-point types, `NAN` is implemented.
+  - Numeric types, both integer and floating-point, also implement constants `MIN`, `MAX`, `INFINITY`, `NEG_INFINITY`, and `ZERO`. Additionally, for floating-point types, `NAN` is implemented.
 
 - **Attributes:** 
   - Adding the following attributes to `#[strong_type(...)]` allows for additional features:
@@ -160,4 +160,4 @@ struct Cash(Dollar);
 #[derive(StrongType)]
 #[strong_type(underlying = i32)]
 struct Coin(Cash);
-```
+```

strong-type/src/lib.rs

@@ -1,6 +1,18 @@
+//! This crate offers a derive macro for crafting strong types in Rust, where a strong type
+//! encapsulates a primitive type, providing a distinct, purpose-specific identity. This pattern
+//! is useful for creating distinct types for distinct purposes. Several macro attributes are
+//! provided to customize the strong type, such as directly implementing arithmetic operators of
+//! the underlying primitive type,
+//!
+//! See the [crate documentation](https://crates.io/crates/strong-type) for more details and examples.
+//!
+
 use std::fmt::Debug;
+
+/// Derive macro to create strong types in Rust.
 pub use strong_type_derive::StrongType;
 
+/// Trait for strong types to obtain the associated underlying type and primitive type.
 pub trait StrongType: Debug + PartialEq + PartialOrd + Clone + Default + Send + Sync {
     type UnderlyingType: Default;
     type PrimitiveType;