~sircmpwn/sr.ht-docs

ref: 8f4d5ccd2765ae841f529f8d9bde468a187d4987 sr.ht-docs/lists.sr.ht/installation.md -rw-r--r-- 2.5 KiB
Add note on hacking on lists.sr.ht
Add installation guide for lists.sr.ht
Add etiquette guide