Use relative path in backups for cleaner directory structure

Signed-off-by: snipe <snipe@snipe.net>

config/backup.php

@@ -35,6 +35,13 @@ return [
 
             'files' => [
 
+                /*
+                * This path is used to make directories in resulting zip-file relative
+                * Set to false to include complete absolute path
+                * Example: base_path()
+                */
+                'relative_path' => base_path(),
+
                 /*
                  * The list of directories and files that will be included in the backup.
                  */