book: update introduction

book/src/README.md

@@ -1,19 +1,37 @@
-<h1 align="center">
-    <code>rust-nostr</code>
-</h1>
 <div align="center">
+    <h1>
+        <code>rust-nostr</code>
+    </h1>
     <h4>
         <a href="https://github.com/rust-nostr">Project Homepage</a>
         <span> | </span>
         <a href="https://github.com/rust-nostr/nostr">Repository</a>
     </h4>
+    <h1 style="font-size: 16px; font-weight: normal;">
+        The <code>nostr</code> development kit to build <strong>fast</strong>, <strong>stable</strong> and <strong>efficient</strong> apps for <strong>any environment</strong>!
+    </h1>
 </div>
 
-Build **fast**, **stable** and **efficient** nostr apps for **any environment**: desktop/server, mobile, embedded devices and web.
+
+
+## Why rust-nostr?
+
+* **Multi-Language Support**: We support native API's including `Rust`, `Python`, `JavaScript`, `Kotlin` and `Swift` so you can build `nostr` apps in your preferred programming language.
+
+* **Multi-Platform Support**: Write nostr apps for `desktop`, `server`, `mobile`, `web` and/or `embedded` devices!
+
+* **WASM Compatibility**: Most of our libraries compile to `WebAssembly` so that they can be integrated into web applications. 
+
+* **High performance**: Powered by `Rust`'s unparalleled `performance` and `memory safety`, our libraries offers `speed`, `stability` and `reliability`. The same features are extended to its `bindings` in other languages, ensuring optimal stability across diverse development environments.
+
+* **Broad NIP Support**: Support to most relevant `NIPs`. 
+
+* **Customizable**: The libraries are built in modular way, allowing to build customized nostr apps.
 
 ## Libraries
 
 * [Nostr](./nostr/01-index.md): Implementation of the `nostr` protocol
+* [Nostr Database](): Databases abstraction, indexes and in-memory database implementation
 * [Nostr SDK](./nostr-sdk/01-index.md): High level nostr client library
 
 ## State