feat: open protocol in new tab

layouts/_default/popuplist.html

@@ -28,7 +28,7 @@
                         {{ if in .Name ".pdf" }}
                         <!-- todo fix this shit--> 
                         {{ $url := printf "%s%s%s" (urls.AbsURL $path) $name .Name }}
-                            <div><a href="{{ $url }}" download> {{ .Name | strings.TrimSuffix ".pdf" }} </a></div>
+                            <div><a href="{{ $url }}" target="_blank" download> {{ .Name | strings.TrimSuffix ".pdf" }} </a></div>
                         {{ end }}
                     {{ end}}
                 </div>