feat(settings): stores jellyfin/emby server name in the settings (#763)

Stores jellyfin/emby(?) server name in the settings file. This might come in handy in the future
once simultaneous multi-server sync is implemented.

server/routes/auth.ts

@@ -314,6 +314,9 @@ authRoutes.post('/jellyfin', async (req, res, next) => {
         userType: UserType.JELLYFIN,
       });
 
+      const serverName = await jellyfinserver.getServerName();
+
+      settings.jellyfin.name = serverName;
       settings.jellyfin.hostname = body.hostname ?? '';
       settings.jellyfin.serverId = account.User.ServerId;
       settings.save();