Add new title types: professional jargon and sociolect

src/MDTitleTypesSet.php

@@ -17,6 +17,8 @@ final class MDTitleTypesSet extends MDValueSet {
         "Everyday speech",
         "Colloquial speech",
         "Dialect",
+        "Professional jargon",
+        "Sociolect",
     ];
 
     /**