chore(alloy): add link to book and alloy (#891)

* add link to book and alloy

* point to latest version of Cargo.toml for feature flags

README.md

@@ -5,8 +5,7 @@ Alloy connects applications to blockchains.
 Alloy is a rewrite of [`ethers-rs`] from the ground up, with exciting new
 features, high performance, and excellent [docs](https://alloy-rs.github.io/alloy/).
 
-[`ethers-rs`] will continue to be maintained until we have achieved
-feature-parity in Alloy. No action is currently needed from developers.
+We also have a [book](https://alloy.rs/) on all things Alloy and many [examples](https://github.com/alloy-rs/examples) to help you get started.
 
 [![Telegram chat][telegram-badge]][telegram-url]
 
@@ -24,7 +23,7 @@ To incorporate Alloy into your project, you will need to specify the GitHub repo
 cargo add alloy --git https://github.com/alloy-rs/alloy
 ```
 
-After incorporating Alloy, you may wish to utilize specific features of the crate. These features can be enabled through modifications in your project's `Cargo.toml` file. A comprehensive list of available features can be found at [this GitHub link](https://github.com/alloy-rs/alloy/blob/35cbf35164f31d2de1b84b2a8a9986e5b9b1560f/crates/alloy/Cargo.toml#L89). 
+After incorporating Alloy, you may wish to utilize specific features of the crate. These features can be enabled through modifications in your project's `Cargo.toml` file. A comprehensive list of available features can be found at [this GitHub link](https://github.com/alloy-rs/alloy/blob/main/crates/alloy/Cargo.toml).
 
 ## Overview