Add TsumiLink client

[Fyphen1223]

Changes

Add TsumiLink client to README

Why

Add new client

Checkmarks

• [x] The modified endpoints have been tested.
• [x] Used the same indentation as the rest of the project.
• [x] Still compatible with LavaLink clients.

[ThePedroo]

Heads up -- that are some points that doesn't make it fully NodeLink features compatible:

• No compression
• Leaks loadLyrics support

I need to take further look, but you also may be interested in:

• adding support to fetch the node stats

Besides that, seems fine

[Fyphen1223]

k, I'll take a time to code them

[Fyphen1223]

loadLyrics implemented, getting stats implemented

[ThePedroo]

Could you drop the commits from your repository so that they don't conflict here?