Add option to download logs

[speedyflipper]

When viewing the log history, it would helpful if there was an option to download the full log as a text file

[fccview]

Love it.

That's a great quality of life improvement, I'll add it with the next release ♥️

[fccview]

This has been added in https://github.com/fccview/cronmaster/releases/tag/2.1.0 sorry for the delay ❤️