Todo list for CRAN submission

[dwachsmuth]

• [x] Update progress reporting using new progressr API
• [x] Add remaining necessary class methods
• [x] Update shiny app to be more robust with large match sets
• [x] Rethink integrated start-to-finish function
• [x] Decide on best function names
• [x] Figure out code test coverage
• [ ] Write vignettes