* Removed collection_type user input instead inferring from yt-dlp response
* Updated docs
* Added delete buttons for source; Refactored the way deletion methods work
* Update source to always run an initial index
* Added deletion to the last models
* Improved clarity around deletion operation
* Improved task fetching and deletion methods
* More tests
* Added method for deleting media files and their content
* Adds controllers and methods for deleting media and files
* Improved tmpfile setup and teardown for tests
* Actually got tmpfile cleanup running once per suite run
* Finally fixed flash messages