Anything you delete from OneDrive automatically goes into your personal recycle bin.  You can view any deleted files or folders easily and restore them if needed using this guide.

Step 1 - Navigate to OneDrive online using a web browser: https://badmintonschool-my.sharepoint.com/

Step 2 - Click on the Recycle Bin on the left hand side

Step 3 - Select the file you want to restore

Step 4 - Click on the Restore button at the top of the window