[Feature request] Keep TS temporary files

[superbonaci]

Checklist

• [X] I have checked the issue page for duplicates
• [X] I am running the latest version (download here)

Write your feature request here

Please add some CLI argument to keep temporary TS files:

• --keep-ts-parts: keep all files inside TMP folder, from 0.ts to last one.
• --keep-ts-output: keep output.ts

This would really help debugging issues with ts and mp4 files. Also please add such information to documentation.

[superbonaci]

Check if could be fixed by this PR: https://github.com/lay295/TwitchDownloader/pull/983