added react icons

src/components/FileUploadButton.tsx

@@ -1,5 +1,6 @@
 import React from "react"
 import { useRef } from "react"
+import { MdFileUpload } from "react-icons/md"
 
 interface Props {
     onUpload?: (files: FileList)=>void
@@ -12,7 +13,7 @@ const FileUploadButton: React.FC<Props> = (props) => {
 	return ( 
 		<>
 			<button onClick={()=>inputRef.current?.click()} >
-                Upload files
+				<MdFileUpload size="40"/>
 			</button>
 			<input type="file" multiple className="hidden" ref={inputRef} onInput={()=>{
 				if (inputRef.current && inputRef.current.files){