* Port redis to staging
* redis cache on staging
* add back legacy auth callback
* Begin work on new auth flows
* Finish all auth flows
* Finish base session authentication
* run prep + fix clippy
* make compilation work
* Moderation + Mod Editing WIP
* Run prepare, fix perms
* Make it compile
* Finish moderation and edit routes
* More fixes
* Use better queries
* Final Fixes
* Merged mod file upload in version creation, mod creation and
version file add to one function; This makes sure that they are
consistent
* Made some fields on `User` optional: `github_id`, `avatar_url`, `bio`.
* We may not want to publicly show the `github_id` to everyone
with access to the API
* If we allow non-github users, some of those fields would be
invalid; some oauth providers may not have avatars or bios
* Made CORS origins should configurable
* Made `--reconfigure-indices` and `--reset-indices` exit after
completion instead of starting the server
