Add new enums for object document type, institution categorization

Close #24, close #25, close #26, close #27

src/enums/MDSeriesContributorRole.php

@@ -54,7 +54,7 @@ enum MDSeriesContributorRole implements MDValueEnumInterface, JsonSerializable {
             "actor" => self::actor,
             "painter" => self::painter,
             "creator" => self::creator,
-            default => throw new MDpageParameterNotFromListException("Unknown attendance status"),
+            default => throw new MDpageParameterNotFromListException("Unknown series contributor role"),
         };
 
     }
@@ -85,7 +85,7 @@ enum MDSeriesContributorRole implements MDValueEnumInterface, JsonSerializable {
             13 => self::actor,
             14 => self::painter,
             15 => self::creator,
-            default => throw new MDpageParameterNotFromListException("Unknown attendance status"),
+            default => throw new MDpageParameterNotFromListException("Unknown series contributor role"),
         };
 
     }