Add py3-scmsrht to git.sr.ht dependencies

Add README.md

Add py3-scmsrht package, update py3-srht

Fix gitsrht-migrate in git.sr.ht post-upgrade

Fix typo in man.sr.ht package

Update man.sr.ht.post-upgrade

Also moves alembic dependency to py3-srht

Update todo.sr.ht.post-upgrade

Update meta.sr.ht.post-upgrade

Update git.sr.ht.post-upgrade

Add py3-misaka to core.sr.ht dependencies

Add libffi-dev to py-misaka makedeps

Fix misaka in buildall.yml

Add py-misaka

Fix EXTRA_ARGS in builds.sr.ht-worker service

Add extra runtime args to builds.sr.ht service

Use apk search -x to identify previous version

Add fcgiwrap

Update man.sr.ht.init

Add man.sr.ht package

Tweaks to the todo.sr.ht package