You might be interested in these PCFs
Drag and Drop Uploader
A control to upload files to Dynamics 365 as a note attachment by drag and drop.
Carousel Control
PCF Carousel Control made with Bootstrap 4 that shows images from entity notes/attachments.
Attachments Component
A control to handle file attachments directly within a Power Apps Canvas or Model-Driven App
Multi Files Uploader
A control to upload multiple files in model driven apps, Drag and Drop them as annotations (Notes).

