Add -clean folder to the webui

[Alex-developer]

Discussed in #111

^{Originally posted by custard2022 March 6, 2024}
Hello,
Trying to figure out why the -clean folders exist and cannot be seen or removed using the WebUI.

In Allsky folder:

In WebUI:

I had it set to Daytime Capture, but NOT Daytime Save, the folders and images get saved, but cannot be removed or seen in the WebUI, taking up space unless manually deleted.

My question is:

1. What option does it make them save to file, and how to remove them?
2. What option is there to NOT save them, but only preview the camera Live without saving thousands of pictures?