chore: update docs

Author: pi0

docs/1.guide/1.index.md

@@ -8,9 +8,13 @@ icon: ph:book-open-duotone
 
 ## Overview
 
-h3 (short for HTTP) is a lightweight and [composable](/utils) server framework for JavaScript that is designed to
+h3 (short for HTTP, pronounced as /eɪtʃθriː/, like h-3) is a lightweight and [composable](/utils) server framework for JavaScript that is designed to
 work with various javascript runtimes through [adapters](/adapters).
 
+::read-more{to="https://nitro.unjs.io"}
+Check out [Nitro](https://nitro.unjs.io) for a full featured server toolkit.
+::
+
 ## Quick Start
 
 Create a new file `app.ts` (or `app.js`):

docs/1.guide/2.app.md

@@ -1,3 +1,7 @@
+---
+icon: ic:baseline-bolt
+---
+
 # App Instance
 
 > App instance is the core of a h3 server.

docs/1.guide/2.event-handler.md

@@ -1,3 +1,7 @@
+---
+icon: fluent:target-24-regular
+---
+
 # Event Handler
 
 > Event handler define application logic.

docs/1.guide/4.event.md

@@ -1,3 +1,7 @@
+---
+icon: material-symbols-light:data-object
+---
+
 # Event Object
 
 > Event object carries an incoming request and context.

docs/1.guide/5.router.md

@@ -1,3 +1,7 @@
+---
+icon: solar:route-linear
+---
+
 # Router
 
 > Split your application using routes.

docs/1.guide/99.nightly.md

@@ -1,3 +1,7 @@
+---
+icon: ph:moon
+---
+
 # Nightly Builds
 
 You can opt-in to early test latest h3 changes using automated nightly release channel.

docs/3.adapters/0.index.md

@@ -9,6 +9,10 @@ icon: codicon:run-all
 The [app instance](/guide/app) of h3 is lightweight without any logic about runtime it is going to run.
 Using h3 adapters, we can easily integrate server with each runtime.
 
+::read-more{to="https://nitro.unjs.io"}
+Check out [Nitro](https://nitro.unjs.io) for a full featured server toolkit and more deployment options.
+::
+
 There are 3 base adapters:
 
 - [Node.js](/adapters/node)