Integrated Aria2 Download Manager par Cudiph

DISCLAIMER: This extension is not a standalone download manager by itself but you need aria2 as the server or use motrix with rpc configured for easy GUI based setup.

Features:
- Intercept download - Forward download from the browser to the aria2 instance.
- Automatic fetching - When it downloads metadata files such as `.torrent` or
`.metalink` it'll automatically download the files specified inside.
- Download history - Every time download finished, the history will be saved and
not lost when you close the browser.
- Pie progress indicator - Show pie progress on the browser toolbar (need to pin
the extension first)
- Customizable - Progress color can be customized to any color (very game
changing)
- Hotkey - keyboard shortcut is available
- Fallback server - Add another server configuration as a fallback if the main
one fail. Program will try to connect from top to bottom order in the options.