doc: unified new TL;DR/description entry

The main idea here is to:
- tell that `uefi` is not only for EFI images but also apps that interact with
  UEFI functionality, such as parsing a memory map from a pre-defined chunk of
  memory.
- streamline the doc

Author: phip1611

README.md

@@ -1,11 +1,18 @@
 # uefi-rs
 
+Rusty wrapper for the [Unified Extensible Firmware Interface][UEFI].
+
 [![Crates.io](https://img.shields.io/crates/v/uefi)](https://crates.io/crates/uefi)
 [![Docs.rs](https://docs.rs/uefi/badge.svg)](https://docs.rs/uefi)
 ![License](https://img.shields.io/github/license/rust-osdev/uefi-rs)
 ![Build status](https://github.com/rust-osdev/uefi-rs/workflows/Rust/badge.svg)
 ![Stars](https://img.shields.io/github/stars/rust-osdev/uefi-rs)
 
+## TL;DR
+
+Develop Rust software that leverages **safe**, **convenient**, and
+**performant** abstractions for [UEFI] functionality.
+
 ## Description
 
 [UEFI] started as the successor firmware to the BIOS in x86 space and developed

uefi/Cargo.toml

@@ -2,7 +2,10 @@
 name = "uefi"
 version = "0.29.0"
 readme = "README.md"
-description = "Safe and easy-to-use wrapper for building UEFI apps."
+description = """
+Develop Rust software that leverages safe, convenient, and performant
+abstractions for UEFI functionality.
+"""
 
 authors.workspace = true
 categories.workspace = true

uefi/README.md

@@ -1,11 +1,17 @@
-# uefi-rs
+# `uefi`
+
+Rusty wrapper for the [Unified Extensible Firmware Interface][UEFI].
 
 [![Crates.io](https://img.shields.io/crates/v/uefi)](https://crates.io/crates/uefi)
 [![Docs.rs](https://docs.rs/uefi/badge.svg)](https://docs.rs/uefi)
 ![License](https://img.shields.io/github/license/rust-osdev/uefi-rs)
 ![Build status](https://github.com/rust-osdev/uefi-rs/workflows/Rust/badge.svg)
 ![Stars](https://img.shields.io/github/stars/rust-osdev/uefi-rs)
 
+## TL;DR
+
+Develop Rust software that leverages **safe**, **convenient**, and
+**performant** abstractions for [UEFI] functionality.
 
 For an introduction to the `uefi-rs` project and documentation, please refer to
 our main [README].

uefi/src/lib.rs

@@ -1,5 +1,10 @@
 //! Rusty wrapper for the [Unified Extensible Firmware Interface][UEFI].
 //!
+//! # TL;DR
+//!
+//! Develop Rust software that leverages **safe**, **convenient**, and
+//! **performant** abstractions for [UEFI] functionality.
+//!
 //! See the [Rust UEFI Book] for a tutorial, how-tos, and overviews of some
 //! important UEFI concepts. For more details of UEFI, see the latest [UEFI
 //! Specification][spec].