git.sr.ht/index: fix hut link

git.sr.ht/index: Add link to Org mode README tutorial blog post

builds.sr.ht/compatibility.md: Remove ubuntu 23.10

Signed-off-by: Haowen Liu <lhw@lunacd.com>

builds.sr.ht/compat: drop Alpine 3.17

git.sr.ht/index: remove spacepub reference

builds.sr.ht/compatibility.md: update alpine details

Signed-off-by: Willow Barraco <contact@willowbarraco.fr>

builds.sr.ht/compatibility.md: Add NixOS 24.11, remove 23.11

ops: add sql-migrations.md

builds.sr.ht: fedora: remove EOL versions

builds.sr.ht: fedora repository command update

Update builds.sr.ht docs to include the new repository
commands added by <20241123024532.907912-1-gary@garykim.dev>

builds.sr.ht: update details on secret leaks

builds.sr.ht/private-repos: remove obsolete warning

packages: bump to Alpine 3.20

Update OpenBSD compatibility matrix

Update fedora supported versions

Signed-off-by: Gary Kim <gary@garykim.dev>

meta.sr.ht: Remove a dead link and suggest maintained programs

ops: remove stale links to topology page

ops: remove mention of aggregation gateway

It's not been a thing for a while now, and we likely won't need it in
the future.

ops: metrics.sr.ht -> metrics.srht.network

In all places where it makes sense.

ops: remove dashboard examples

They don't work anymore, and have not been very useful anyways.