Hour Announcements

[Former user]

I think it would be nice if there is a chat announcement when players hit like 100, 500, 1000, 2000 etc hours.

We effectively already have the code from the 100 hour mark, so should be quick to implement.

[Evan Markowitz]

Wait who assigned haxxy I was going to take care of it xD

[Former user]

there you go techie

[Evan Markowitz]

I will assign myself mr. but I'll get on it now :)

Do you have ideas as to which times we should alert for?

[Riot]

Adding hour announcer for every time someone passes a first significant digit in their time online. Resolves #57

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