add Chinese translation

Author: taooceros

Plugins/Flow.Launcher.Plugin.Explorer/Languages/zh-cn.xaml

@@ -20,6 +20,7 @@
     <system:String x:Key="plugin_explorer_indexsearchexcludedpaths_header">索引搜索排除的路径</system:String>
     <system:String x:Key="plugin_explorer_manageindexoptions">索引选项</system:String>
     <system:String x:Key="plugin_explorer_actionkeywordview_search">搜索激活：</system:String>
+    <system:String x:Key="plugin_explorer_actionkeywordview_path">路径搜索激活:</system:String>
     <system:String x:Key="plugin_explorer_actionkeywordview_filecontentsearch">文件内容搜索：</system:String>
 
     <!--Plugin Infos-->