Map literature type "Weiteres"

src/MDConcSourceTypes.php

@@ -23,6 +23,7 @@ final class MDConcSourceTypes implements MDImporterConcordanceListInterface {
         "document]book" => "book",
 
         // Misc
+        "Weiteres" => "misc",
         "document]avm" => "misc",
 
     ];