chore: fix docs (#19)

Author: hirotaka

app/lib/config.ts

@@ -2,7 +2,7 @@ export const siteConfig = {
   name: "Stackhacker UI",
   url: "https://ui.stackhacker.io",
   ogImage: "https://ui.stackhacker.io/og.jpg",
-  description: "Open-source Nuxt templates and components for the shadcn-vue community.",
+  description: "Stackhacker UI is an open-source collection of Nuxt templates and components for the shadcn-vue community.",
   links: {
     github: "https://github.com/stackhacker-ui/docs",
   },

content/docs/1.getting-started/1.index.md

@@ -1,12 +1,12 @@
 ---
 title: Introduction
-description: Open-source Nuxt templates and components for the shadcn-vue community.
+description: Stackhacker UI is an open-source collection of Nuxt templates and components for the shadcn-vue community.
 category: overview
 ---
 
-## What is stackhacker-ui?
+## What is Stackhacker UI?
 
-`stackhacker-ui` is an open-source project for Nuxt developers using shadcn-vue.
+Stackhacker UI (`stackhacker-ui`) is an open-source project for Nuxt developers using shadcn-vue.
 
 It adds practical templates and reusable components to make implementation easier in real Nuxt projects.