Add Vitepress docs (#326)

* Add vitepress for docs

* some fix

* Use vitepress and update docs

* Use vitepress and update docs

* Update README.md

* Add favicon

* Add docs by @jiriks74

Co-authored-by: jiriks74 <jiri@stefka.eu>

---------

Co-authored-by: jiriks74 <jiri@stefka.eu>

docs/.vitepress/theme/Layout.vue

@@ -0,0 +1,16 @@
+<script setup>
+import { useData } from 'vitepress'
+import Home from './Home.vue'
+import DefaultTheme from 'vitepress/theme'
+
+const { Layout } = DefaultTheme
+const { frontmatter } = useData()
+</script>
+
+<template>
+  <Layout>
+    <template v-if="frontmatter.layout === 'home'" #home-hero-after>
+      <Home />
+    </template>
+  </Layout>
+</template>