docs: add Vitest, UnoCSS, VitePWA and Iconify to use cases (#2601)

* chore: add link to vue telescope in many more entry
* chore: change get started home action link

Author: userquin

docs/guide/what-is-vitepress.md

@@ -12,7 +12,19 @@ Just want to try it out? Skip to the [Quickstart](./getting-started).
 
 - **Documentation**
 
-  VitePress ships with a default theme designed for technical documentation, especially those that need to embed interactive demos. It powers this page you are reading right now, along with the documentation for [Vite](https://vitejs.dev/), [Pinia](https://pinia.vuejs.org/), [VueUse](https://vueuse.org/), [D3](https://d3js.org/), [Rollup](https://rollupjs.org/), [Mermaid](https://mermaid.js.org/), [Wikimedia Codex](https://doc.wikimedia.org/codex/latest/), and many more.
+  VitePress ships with a default theme designed for technical documentation, especially those that need to embed interactive demos. It powers this page you are reading right now, along with the documentation for:
+  - [Vite](https://vitejs.dev/): next generation frontend tooling
+  - [Pinia](https://pinia.vuejs.org/): the intuitive store for Vue.js
+  - [VueUse](https://vueuse.org/): collection of Vue composition utilities
+  - [D3](https://d3js.org/): the JavaScript library for bespoke data visualization
+  - [Rollup](https://rollupjs.org/): the JavaScript module bundler
+  - [Mermaid](https://mermaid.js.org/): diagramming and charting tool
+  - [Wikimedia Codex](https://doc.wikimedia.org/codex/latest/): Wikimedia Design System
+  - [Vitest](https://vitest.dev/): blazing fast unit test framework
+  - [UnoCSS](https://unocss.dev/): instant on-demand atomic CSS engine
+  - [VitePWA](https://vite-pwa-org.netlify.app/): PWA integrations for Vite and the ecosystem
+  - [Iconify](https://iconify.design/): freedom to choose icons
+  - [and many more](https://www.vuetelescope.com/explore?framework.slug=vitepress).
 
   The [official Vue.js documentation](https://vuejs.org/) is also based on VitePress, but uses a custom theme shared between multiple translations.
 

docs/index.md

@@ -11,7 +11,7 @@ hero:
   actions:
     - theme: brand
       text: Get Started
-      link: /guide/what-is-vitepress
+      link: /guide/getting-started
     - theme: alt
       text: View on GitHub
       link: https://github.com/vuejs/vitepress