fix(course): handle image size error

src/components/inputtag/ImageUpload.tsx

@@ -3,6 +3,7 @@ import Image from 'next/image';
 import React, { MutableRefObject, useRef } from 'react';
 import { FiUpload } from 'react-icons/fi';
 import { RiDeleteBin5Fill } from 'react-icons/ri';
+import { toast } from 'react-toastify';
 
 import { fileToBase64Image } from '@/lib/helper';
 
@@ -28,6 +29,10 @@ const ImageUpload = ({
   };
 
   async function readImage(file: File) {
+    if (file.size > 5 * 1024 * 1024) {
+      toast.error('Maximum file size exceeded (5 MB)');
+      return;
+    }
     onChange(file);
     fileToBase64Image(file, handleImage);
   }