feature request: set torrent streaming cache directory and torrent stream cache size

[aicynide]

Checklist

• [X] I checked that this feature has not been requested before
• [X] I checked that this feature is not in the "Not planned" list
• [ ] This feature will benefit the majority of users

Problem Description / Use Case

N/A

Proposed Solution

Let the user choose whether to persist torrent stream files or not, and change directory like miru Also let use RAM for torrent streaming