docs: Move #toktok to LiberaChat

[c0dev0id]

Correct location of IRC channel.

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This change is 

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[c0dev0id]

sigh I'm not going to sign the cla for this. Feel free to copy the change and delete the PR.

[robinlinden]

@c0dev0id The CLA is an optional check and I know other people have opted not to sign it. :P