Add function to download statements

[Nef10]

No description provided.

[github-actions]

Coverage after merging statements into main

0.00%

Coverage Report

File	Stmts	Funcs	Lines	Uncovered Lines
Sources/RogersBankDownloader
Account.swift	0%	0%	0%	10, 100–102, 107–109, 11, 110–119, 12, 120–129, 13, 130–139, 145–185, 62–64, 66–68, 70–72, 78–89, 9, 90–99
DownloadError.swift	0%	0%	0%	18–31
User.swift	0%	0%	0%	100–119, 12, 120–121, 13–16, 18–27, 43–60, 62–86, 88–99