MI6-824

fix(root): implemented icon variant for back to top component

1

Added functionality that changes the variant of the back-to-top component based on the size of the device screen ## Checklist - [ ] I have [manually accessibility tested](https://design.sis.gov.uk/accessibility/testing/manual-testing) any changes,...

Create the drag and drop file upload

2

 This is to create the drag and drop file upload component. This component should: - Let a user drop in not just one but multiple files at once. -...