Dead link in README.md

[DanilBorchevkin]

First link in README.md - https://www.georgehanson.co.uk/zero-dependency-toaster-notifications/ - is dead

[OmgImAlexis]

@georgehanson any chance you could repost the content onto your new blog?

[BelleBoi]

idk if bumps are good github etiquette but since this repo is dead, bump