Add regional event short-typos

[dd32]

Adds eu.wordcamp.org and usa.wordcamp.org

Fixes #1313

Props ,

Screenshots

How to test the changes in this Pull Request:

[dd32]

I guess this wasn't actually the right place to put these. They redirect, but only at the domain level, not to the proper years.

$ curl -siL https://eu.wordcamp.org/2024/speakers/

GET https://eu.wordcamp.org/2024/speakers/
HTTP/1.1 301 Moved Permanently
Location: https://europe.wordcamp.org/speakers/

GET https://europe.wordcamp.org/speakers/
HTTP/1.1 302 Found
Location: https://europe.wordcamp.org/2024/speakers/

-------

$ curl -siL https://eu.wordcamp.org/2019/speakers/

GET https://eu.wordcamp.org/2019/speakers/
HTTP/1.1 301 Moved Permanently
Location: https://europe.wordcamp.org/speakers/

GET https://europe.wordcamp.org/speakers/
HTTP/1.1 302 Found
Location: https://europe.wordcamp.org/2024/speakers/