Added MSRV version metadata header to Cargo.toml

This is not a breaking change; this library could not compile on prior
versions to 1.62.

Author: Nydauron

Cargo.toml

@@ -9,6 +9,7 @@ repository = "https://github.com/Nydauron/playing-cards"
 readme = "README.md"
 keywords = ["cards", "poker", "hand-evaluation"]
 categories = ["games", "simulation"]
+rust-version = "1.62"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

README.md

@@ -9,6 +9,9 @@ This library is still in early development. While I will try to mitgate such a c
 features may be subject to breaking changes across minor version changes. Be sure to check the docs
 for updates on any changes and deprecations.
 
+## MSRV (Minimum Supported Rust Version)
+Requires rustc 1.62+
+
 ## Features
 
 ### Core

src/lib.rs

@@ -9,6 +9,9 @@
 //! This library is still in early development. A lot of features may be subject to breaking
 //! changes across minor version changes. Be sure to check the docs for updates on any changes.
 //!
+//! ## MSRV (Minimum Supported Rust Version)
+//! Requires rustc 1.62+
+//!
 //! ## Breaking Changes in v0.1.0
 //! - Rank types are now primarily used for storing hand rankings instead of `u64`s.
 //! - The `Evaluator` trait has been removed.