~sircmpwn/sr.ht-docs

ref: 8f4d5ccd2765ae841f529f8d9bde468a187d4987 sr.ht-docs/lists.sr.ht/etiquette.md -rw-r--r-- 2.7 KiB
Add send-email link to etiquette.md
Fix doubled language in etiquette.md
Add etiquette guide