feat: Add the remainder of the FilePond object methods
feat: Add the remainder of the FilePond object methods

See: https://pqina.nl/filepond/docs/patterns/api/filepond-object/

georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,borisyankov/DefinitelyTyped,markogresak/DefinitelyTyped,dsebastien/DefinitelyTyped,magny/DefinitelyTyped,magny/DefinitelyTyped,borisyankov/DefinitelyTyped