hg.sr.ht: correct -api binary name

hg.sr.ht: correct default -api port

hg.sr.ht: add GraphQL bits

hg.sr.ht: upgrade to 0.27.6

hg.sr.ht: upgrade to 0.27.4

*.sr.ht: move nginx files

hg.sr.ht-nginx: add sr.ht-nginx dependency

hg.sr.ht: add -nginx subpackage

hg.sr.ht: overhaul init files

Add default non-conflicting ports

Based off of config.ini debug-port values

Fix various user creation bugs and inconsistencies

- ensure that all users are added to their corresponding groups
- replace listssrht user with lists
- ensure that the git user creates its homedir
- ensure that adduser args are in same order across all apks

Deploy hg.sr.ht's partial config files

hg.sr.ht: set arch to all

hg.sr.ht: build hgsrht-keys Go program

Add mercurial evolve package, make it a dependency of hgsrht

hg.sr.ht: normalize init scripts

Add hg.sr.ht-webhooks service

Add core.sr.ht migrations to hg.sr.ht post-upgrade

Make local redis service optional

Add extra gunicorn args to *.init