Docs for unstyled mode

doc/configuration/UnstyledDoc.vue

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+<template>
+    <DocSectionText v-bind="$attrs">
+        <p>
+            Unstyled mode instructs the components not to add any built-in style classes so that they can be styled using custom css or libraries like Tailwind, Bootstrap or PrimeFlex. Visit
+            <NuxtLink to="/unstyled">Unstyled mode</NuxtLink> documentation for more information.
+        </p>
+
+        <DocSectionCode :code="code" hideToggleCode importCode hideCodeSandbox hideStackBlitz />
+    </DocSectionText>
+</template>
+
+<script>
+export default {
+    data() {
+        return {
+            code: {
+                basic: `import { createApp } from "vue";
+import PrimeVue from "primevue/config";
+const app = createApp(App);
+
+app.use(PrimeVue, { unstyled: true });`
+            }
+        };
+    }
+};
+</script>