Update lighttpd.conf.fedora

Allow for password protection (or other user-initiated options) without clobbering already chosen user options.

advanced/lighttpd.conf.fedora

@@ -11,6 +11,7 @@
 
 server.modules = (
 	"mod_access",
+	"mod_auth",
 	"mod_fastcgi",
 	"mod_accesslog",
 	"mod_expire",
@@ -75,3 +76,6 @@ $HTTP["url"] =~ "^(?!/admin)/.*" {
         # rewrite only js requests
         url.rewrite = ("(.*).js" => "pihole/index.js")
 }
+
+# Add user chosen options held in external file
+include_shell "cat external.conf 2>/dev/null"