We have recently introduced a new feature in FileDrop, which allows the users to add multiple links in a single Google Sheet cell.
How To Insert Multiple Links In A Google Sheet Cell
Go ahead and test this, it’s the easiest way to add multiple links in a Google Sheet cell.
FileDrop is an add-on for managing files in Google Sheets, Docs and Slides. With FileDrop, you can easily drag and drop files onto a cell in a spreadsheet, and the add-on will automatically create links and save the files to your Google Drive.