Update support.md

minor: Consistently use $ in front of shell commands

I noticed some of the shell command lines were prefixed with $ and some
weren't.

Add OpenBSD 6.7 and drop 6.5

terms: queue a change regarding "FOSS" terminology

Update packages.md

all: fix broken relative links

todo.sr.ht: fix broken links throughout document

Fixes https://todo.sr.ht/~sircmpwn/todo.sr.ht/212

Signed-off-by: Sam Whited <sam@samwhited.com>

meta.sr.ht: fix link to OAuth flow

Add 9front to compatibility.md

Update support.md

user-api.md: correct required scope for PUT keys

add link to hg.sr.ht tracker Fixes ~sircmpwn/todo.sr.ht#200

Update nixos/latest to 20.03

s/two/three/

Correct FreeBSD image alias

Signed-off-by: A Mak <refragable@mailbox.org>

Update README.md

Add README.md

ops/topology.md: allocate IP for hub.sr.ht

fix api links

Fix some insecure and redirected links.