Update index.js

index.js

@@ -25,7 +25,7 @@ const post = async (url, form, headers = {}) => {
 async function uploadBuffer(buffer) {
     //file: (binary)
     //expirationTime: 1
-    let mime = await fileTypeFromBuffer(buffer)
+    let mime = await FileType.fromBuffer(buffer)
     let formData = new FormData()
     formData.append('file', buffer, `${Date.now()}.${mime.ext}`)
     formData.append('expirationTime', 1)