feat: make backups every 10 minutes of the world

modules/backup.nix

@@ -29,7 +29,7 @@ in
 
         # Compress world data (re-enable saving even if tar fails)
         if ! ${pkgs.gnutar}/bin/tar czf "$TEMP_BACKUP" \
-          -C ${mcDataDir} world world_nether world_the_end; then
+          -C ${mcDataDir} world; then
           echo "tar failed, re-enabling saving"
           docker exec minecraft rcon-cli save-on
           exit 1
@@ -60,7 +60,7 @@ in
   systemd.timers.minecraft-backup = {
     wantedBy = [ "timers.target" ];
     timerConfig = {
-      OnCalendar = "*:00,30";
+      OnCalendar = "*:00/10";
       Persistent = true;
     };
   };