test: add TS types

tests/FileUploader.test.svelte

@@ -0,0 +1,33 @@
+<script lang="ts">
+  import {
+    FileUploaderButton,
+    FileUploader,
+    FileUploaderDropContainer,
+    FileUploaderItem,
+    FileUploaderSkeleton,
+  } from "../types";
+</script>
+
+<FileUploaderButton labelText="Add files" />
+
+<FileUploader
+  multiple
+  labelTitle="Upload files"
+  buttonLabel="Add files"
+  labelDescription="Only JPEG files are accepted."
+  accept="{['.jpg', '.jpeg']}"
+  status="complete"
+/>
+
+<FileUploaderItem name="README.md" status="uploading" />
+
+<FileUploaderItem name="README.md" status="complete" />
+
+<FileUploaderItem invalid name="README.md" status="edit" />
+
+<FileUploaderDropContainer
+  labelText="Drag and drop files here or click to upload"
+  multiple
+/>
+
+<FileUploaderSkeleton />