feat(FileUpload): new component

Co-Authored-By: Vachmara <55046446+vachmara@users.noreply.github.com>

docs/content/3.components/file-upload.md

@@ -0,0 +1,31 @@
+---
+title: FileUpload
+description: ''
+links:
+  - label: GitHub
+    icon: i-simple-icons-github
+    to: https://github.com/nuxt/ui/tree/v3/src/runtime/components/FileUpload.vue
+navigation.badge: Soon
+---
+
+## Usage
+
+## Examples
+
+## API
+
+### Props
+
+:component-props
+
+### Slots
+
+:component-slots
+
+### Emits
+
+:component-emits
+
+## Theme
+
+:component-theme