feat(database): implement database download functionality

[ydkmlt84]

This update gives the user a way to download the current version of the database.

There is also an included banner and upgrade mention about the upcoming Maintainerr 3.0 schema changes and internal media server naming changes.

[enoch85]

Haven't tested it, but it looks from the code that it's a pretty big (and maybe unnecessary change?) since the DB migration will take care of everything during upgrade.

IMHO, a proper release message would be better telling the user to either do a snapshot before upgrading or backup the DB.

Once on Jellyfin codebase, the migration already happened.

[ydkmlt84]

Haven't tested it, but it looks from the code that it's a pretty big (and maybe unnecessary change?) since the DB migration will take care of everything during upgrade.

IMHO, a proper release message would be better telling the user to either do a snapshot before upgrading or backup the DB.

Once on Jellyfin codebase, the migration already happened.

This is not to be merged into the Jellyfin branch. I wanted to get this out there now. Prior to the merge and push. Unnecessary maybe, but not completely. It is not difficult to be taken out. My plan going forward is to leave the database backup button and remove everything else. A database backup needs to happen now and not everyone is looking at Discord or other places to see the upcoming changes.

[enoch85]

Yeah, maybe db backup could move to one of the sections like maybe "general" or something?

I think a pop up module/banner is very intrusive. 🙂

[jorenn92]

🎉 This PR is included in version 2.27.0 🎉

The release is available on GitHub release

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