Add features and fix progress %:

[mercu01]

Feature: unrar files after download including multipart files. Feature: 7zip / zip files after download including multipart files. Feature: After decompression delete rar/7zip/zip file Fix: The download percentage to not exceed the limit of messages per second of telegram.

I've been using it for a month, it's stable.

Examples:

1. Update rate every 1 second * threads

https://github.com/jsavargas/telethon_downloader/assets/9451876/8c7f94c5-9098-4442-9766-75a8a3b89026