[NEW TOOL] Argon2 Password Hash Generator

[Entheologian]

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Describe the solution you'd like Some (docker) services that I am seeing are starting to use argon2 more and more, or so it seems.

Additional context There is this web tool that does it https://argon2.online but I thought it would be cool to see in this project too.

[sharevb]

Hi @Entheologian and @CorentinTh , implemented in #986