fix: default tag to latest, fixes #27

this checks if filemanger_tag is empty, if so, default to latest

Author: tiankaima

get.sh

@@ -105,9 +105,12 @@ install_filemanager()
 		echo "Aborted, could not find curl or wget"
 		return 7
 	fi
-	
+
 	filemanager_file="${filemanager_os}-$filemanager_arch-filebrowser$filemanager_dl_ext"
 	filemanager_tag="$(${net_getter}  https://api.github.com/repos/filebrowser/filebrowser/releases/latest | grep -o '"tag_name": ".*"' | sed 's/"//g' | sed 's/tag_name: //g')"
+	if [[ -z "$filemanager_tag" ]]; then
+		filemanager_tag="latest"
+	fi
 	filemanager_url="https://github.com/filebrowser/filebrowser/releases/download/$filemanager_tag/$filemanager_file"
 	echo "$filemanager_url"