Update backup.sh

backup.sh

@@ -10,7 +10,7 @@ dateformat=$(date +%F_%H)UTC$ext
     else
         mkdir -p $backupdir
     fi
-    tar -czvf $backupdir$dateformat --exclude="plugins/dynmap" --exclude="cache/" --exclude="*.gz" --exclude="spigo*.jar" --exclude="paper*.jar" * 
+    tar -czvf $backupdir$dateformat --exclude="plugins/dynmap/web/tiles" --exclude="cache/" --exclude="*.gz" --exclude="spigo*.jar" --exclude="paper*.jar" * 
 	chmod +rw $backupdir$dateformat
     echo "Backup complete."