RSP DropZone docs (#5076)
* RSP DropZone docs
* dropzone docs and updated dropzone svg
* remove unsed imports
* add spacing
* update examples
* fix links
* add anatomy diagram, typo fixes, updates to some examples
* fix typecheck, add info about internationalization
* elaborate more on internationalization
* fix spacing, update image links
* remove unsafe styling
* remove anatomy diagram
