pidgin/nest

Update the contact page for Discourse and the mailing lists shutdown

Testing Done:
ran `codespell` and `npm run hugo:server`

Reviewed at https://reviews.imfreedom.org/r/2166/
[
"Afrikaans",
"Albanian",
"American English",
"Amharic",
"Arabic",
"Armenian",
"Australian English",
"Azerbaijani",
"Belarusian Latin",
"Bengali",
"Bokmal Norwegian",
"Bosnian",
"British English",
"Bulgarian",
"Canadian English",
"Catalan",
"Chinese",
"Czech",
"Danish",
"Dutch",
"Dzongkha",
"English",
"Esperanto",
"Estonian",
"Euskera (Basque)",
"Finnish",
"French",
"Galician",
"Georgian",
"German",
"Greek",
"Gujarati",
"Hebrew",
"Hindi",
"Hong Kong Chinese",
"Hungarian",
"Indonesian",
"Irish",
"Italian",
"Japanese",
"Kannada",
"Khmer",
"Korean",
"Kurdish",
"Lao",
"Lithuanian",
"Macedonian",
"Malay",
"Marathi",
"Mongolian",
"Myanmar (Burmese)",
"Nepali",
"Norwegian Nynorsk",
"Occitan",
"Oriya",
"Pashto",
"Persian",
"Polish",
"Portuguese",
"Portuguese-Brazil",
"Punjabi",
"Romanian",
"Russian",
"Serbian",
"Serbian Latin",
"Simplified Chinese",
"Sinhala",
"Slovak",
"Slovenian",
"Spanish",
"Swahili",
"Swedish",
"Tamil",
"Telugu",
"Thai",
"Traditional Chinese",
"Turkish",
"Ukrainian",
"Urdu",
"Valencian-Catalan",
"Vietnamese",
"Xhosa"
]