Make .yaml files editable in the file manager (#3200)

install/deb/filemanager/filegator/configuration.php

@@ -29,6 +29,7 @@ $dist_config["frontend_config"]["editable"] = [
 	".htaccess",
 	".twig",
 	".tpl",
+	".yaml",
 ];
 $dist_config["frontend_config"]["guest_redirection"] = "/login/";
 $dist_config["frontend_config"]["upload_max_size"] = 1024 * 1024 * 1024;